28038528

素因数分解:

$2^7\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:110

約数の個数: 256

約数和(自身を含む): 101184000

約数和(自身を除く): 73145472

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 27, 28, 32, 36, 38, 42, 48, 54, 56, 57, 61, 63, 64, 72, 76, 84, 96, 108, 112, 114, 122, 126, 128, 133, 144, 152, 168, 171, 183, 189, 192, 216, 224, 228, 244, 252, 266, 288, 304, 336, 342, 366, 378, 384, 399, 427, 432, 448, 456, 488, 504, 513, 532, 549, 576, 608, 672, 684, 732, 756, 798, 854, 864, 896, 912, 976, 1008, 1026, 1064, 1098, 1152, 1159, 1197, 1216, 1281, 1344, 1368, 1464, 1512, 1596, 1647, 1708, 1728, 1824, 1952, 2016, 2052, 2128, 2196, 2318, 2394, 2432, 2562, 2688, 2736, 2928, 3024, 3192, 3294, 3416, 3456, 3477, 3591, 3648, 3843, 3904, 4032, 4104, 4256, 4392, 4636, 4788, 5124, 5472, 5856, 6048, 6384, 6588, 6832, 6954, 7182, 7296, 7686, 7808, 8064, 8113, 8208, 8512, 8784, 9272, 9576, 10248, 10431, 10944, 11529, 11712, 12096, 12768, 13176, 13664, 13908, 14364, 15372, 16226, 16416, 17024, 17568, 18544, 19152, 20496, 20862, 21888, 23058, 23424, 24192, 24339, 25536, 26352, 27328, 27816, 28728, 30744, 31293, 32452, 32832, 35136, 37088, 38304, 40992, 41724, 46116, 48678, 51072, 52704, 54656, 55632, 57456, 61488, 62586, 64904, 65664, 70272, 73017, 74176, 76608, 81984, 83448, 92232, 97356, 105408, 111264, 114912, 122976, 125172, 129808, 146034, 148352, 153216, 163968, 166896, 184464, 194712, 210816, 219051, 222528, 229824, 245952, 250344, 259616, 292068, 333792, 368928, 389424, 438102, 445056, 459648, 491904, 500688, 519232, 584136, 667584, 737856, 778848, 876204, 1001376, 1038464, 1168272, 1335168, 1475712, 1557696, 1752408, 2002752, 2336544, 3115392, 3504816, 4005504, 4673088, 7009632, 9346176, 14019264, 28038528]

約数ペア:

[(1, 28038528), (2, 14019264), (3, 9346176), (4, 7009632), (6, 4673088), (7, 4005504), (8, 3504816), (9, 3115392), (12, 2336544), (14, 2002752), (16, 1752408), (18, 1557696), (19, 1475712), (21, 1335168), (24, 1168272), (27, 1038464), (28, 1001376), (32, 876204), (36, 778848), (38, 737856), (42, 667584), (48, 584136), (54, 519232), (56, 500688), (57, 491904), (61, 459648), (63, 445056), (64, 438102), (72, 389424), (76, 368928), (84, 333792), (96, 292068), (108, 259616), (112, 250344), (114, 245952), (122, 229824), (126, 222528), (128, 219051), (133, 210816), (144, 194712), (152, 184464), (168, 166896), (171, 163968), (183, 153216), (189, 148352), (192, 146034), (216, 129808), (224, 125172), (228, 122976), (244, 114912), (252, 111264), (266, 105408), (288, 97356), (304, 92232), (336, 83448), (342, 81984), (366, 76608), (378, 74176), (384, 73017), (399, 70272), (427, 65664), (432, 64904), (448, 62586), (456, 61488), (488, 57456), (504, 55632), (513, 54656), (532, 52704), (549, 51072), (576, 48678), (608, 46116), (672, 41724), (684, 40992), (732, 38304), (756, 37088), (798, 35136), (854, 32832), (864, 32452), (896, 31293), (912, 30744), (976, 28728), (1008, 27816), (1026, 27328), (1064, 26352), (1098, 25536), (1152, 24339), (1159, 24192), (1197, 23424), (1216, 23058), (1281, 21888), (1344, 20862), (1368, 20496), (1464, 19152), (1512, 18544), (1596, 17568), (1647, 17024), (1708, 16416), (1728, 16226), (1824, 15372), (1952, 14364), (2016, 13908), (2052, 13664), (2128, 13176), (2196, 12768), (2318, 12096), (2394, 11712), (2432, 11529), (2562, 10944), (2688, 10431), (2736, 10248), (2928, 9576), (3024, 9272), (3192, 8784), (3294, 8512), (3416, 8208), (3456, 8113), (3477, 8064), (3591, 7808), (3648, 7686), (3843, 7296), (3904, 7182), (4032, 6954), (4104, 6832), (4256, 6588), (4392, 6384), (4636, 6048), (4788, 5856), (5124, 5472)]