1998927168

素因数分解:

$2^6\times 3^1\times 7^3\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:402

約数の個数: 224

約数和(自身を含む): 6242304000

約数和(自身を除く): 4243376832

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 127, 147, 168, 192, 196, 224, 239, 254, 294, 336, 343, 381, 392, 448, 478, 508, 588, 672, 686, 717, 762, 784, 889, 956, 1016, 1029, 1176, 1344, 1372, 1434, 1524, 1568, 1673, 1778, 1912, 2032, 2058, 2352, 2667, 2744, 2868, 3048, 3136, 3346, 3556, 3824, 4064, 4116, 4704, 5019, 5334, 5488, 5736, 6096, 6223, 6692, 7112, 7648, 8128, 8232, 9408, 10038, 10668, 10976, 11472, 11711, 12192, 12446, 13384, 14224, 15296, 16464, 18669, 20076, 21336, 21952, 22944, 23422, 24384, 24892, 26768, 28448, 30353, 32928, 35133, 37338, 40152, 42672, 43561, 45888, 46844, 49784, 53536, 56896, 60706, 65856, 70266, 74676, 80304, 81977, 85344, 87122, 91059, 93688, 99568, 107072, 121412, 130683, 140532, 149352, 160608, 163954, 170688, 174244, 182118, 187376, 199136, 212471, 242824, 245931, 261366, 281064, 298704, 321216, 327908, 348488, 364236, 374752, 398272, 424942, 485648, 491862, 522732, 562128, 597408, 637413, 655816, 696976, 728472, 749504, 849884, 971296, 983724, 1045464, 1124256, 1194816, 1274826, 1311632, 1393952, 1456944, 1487297, 1699768, 1942592, 1967448, 2090928, 2248512, 2549652, 2623264, 2787904, 2913888, 2974594, 3399536, 3934896, 4181856, 4461891, 5099304, 5246528, 5827776, 5949188, 6799072, 7869792, 8363712, 8923782, 10198608, 10411079, 11898376, 13598144, 15739584, 17847564, 20397216, 20822158, 23796752, 31233237, 35695128, 40794432, 41644316, 47593504, 62466474, 71390256, 83288632, 95187008, 124932948, 142780512, 166577264, 249865896, 285561024, 333154528, 499731792, 666309056, 999463584, 1998927168]

約数ペア:

[(1, 1998927168), (2, 999463584), (3, 666309056), (4, 499731792), (6, 333154528), (7, 285561024), (8, 249865896), (12, 166577264), (14, 142780512), (16, 124932948), (21, 95187008), (24, 83288632), (28, 71390256), (32, 62466474), (42, 47593504), (48, 41644316), (49, 40794432), (56, 35695128), (64, 31233237), (84, 23796752), (96, 20822158), (98, 20397216), (112, 17847564), (127, 15739584), (147, 13598144), (168, 11898376), (192, 10411079), (196, 10198608), (224, 8923782), (239, 8363712), (254, 7869792), (294, 6799072), (336, 5949188), (343, 5827776), (381, 5246528), (392, 5099304), (448, 4461891), (478, 4181856), (508, 3934896), (588, 3399536), (672, 2974594), (686, 2913888), (717, 2787904), (762, 2623264), (784, 2549652), (889, 2248512), (956, 2090928), (1016, 1967448), (1029, 1942592), (1176, 1699768), (1344, 1487297), (1372, 1456944), (1434, 1393952), (1524, 1311632), (1568, 1274826), (1673, 1194816), (1778, 1124256), (1912, 1045464), (2032, 983724), (2058, 971296), (2352, 849884), (2667, 749504), (2744, 728472), (2868, 696976), (3048, 655816), (3136, 637413), (3346, 597408), (3556, 562128), (3824, 522732), (4064, 491862), (4116, 485648), (4704, 424942), (5019, 398272), (5334, 374752), (5488, 364236), (5736, 348488), (6096, 327908), (6223, 321216), (6692, 298704), (7112, 281064), (7648, 261366), (8128, 245931), (8232, 242824), (9408, 212471), (10038, 199136), (10668, 187376), (10976, 182118), (11472, 174244), (11711, 170688), (12192, 163954), (12446, 160608), (13384, 149352), (14224, 140532), (15296, 130683), (16464, 121412), (18669, 107072), (20076, 99568), (21336, 93688), (21952, 91059), (22944, 87122), (23422, 85344), (24384, 81977), (24892, 80304), (26768, 74676), (28448, 70266), (30353, 65856), (32928, 60706), (35133, 56896), (37338, 53536), (40152, 49784), (42672, 46844), (43561, 45888)]