257655216

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{967}}^1$

素因数の和:1059

約数の個数: 160

約数和(自身を含む): 833502208

約数和(自身を除く): 575846992

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 56, 61, 78, 84, 91, 104, 112, 122, 156, 168, 182, 183, 208, 244, 273, 312, 336, 364, 366, 427, 488, 546, 624, 728, 732, 793, 854, 967, 976, 1092, 1281, 1456, 1464, 1586, 1708, 1934, 2184, 2379, 2562, 2901, 2928, 3172, 3416, 3868, 4368, 4758, 5124, 5551, 5802, 6344, 6769, 6832, 7736, 9516, 10248, 11102, 11604, 12571, 12688, 13538, 15472, 16653, 19032, 20307, 20496, 22204, 23208, 25142, 27076, 33306, 37713, 38064, 40614, 44408, 46416, 50284, 54152, 58987, 66612, 75426, 81228, 87997, 88816, 100568, 108304, 117974, 133224, 150852, 162456, 175994, 176961, 201136, 235948, 263991, 266448, 301704, 324912, 351988, 353922, 412909, 471896, 527982, 603408, 703976, 707844, 766831, 825818, 943792, 1055964, 1238727, 1407952, 1415688, 1533662, 1651636, 2111928, 2300493, 2477454, 2831376, 3067324, 3303272, 4223856, 4600986, 4954908, 5367817, 6134648, 6606544, 9201972, 9909816, 10735634, 12269296, 16103451, 18403944, 19819632, 21471268, 32206902, 36807888, 42942536, 64413804, 85885072, 128827608, 257655216]

約数ペア:

[(1, 257655216), (2, 128827608), (3, 85885072), (4, 64413804), (6, 42942536), (7, 36807888), (8, 32206902), (12, 21471268), (13, 19819632), (14, 18403944), (16, 16103451), (21, 12269296), (24, 10735634), (26, 9909816), (28, 9201972), (39, 6606544), (42, 6134648), (48, 5367817), (52, 4954908), (56, 4600986), (61, 4223856), (78, 3303272), (84, 3067324), (91, 2831376), (104, 2477454), (112, 2300493), (122, 2111928), (156, 1651636), (168, 1533662), (182, 1415688), (183, 1407952), (208, 1238727), (244, 1055964), (273, 943792), (312, 825818), (336, 766831), (364, 707844), (366, 703976), (427, 603408), (488, 527982), (546, 471896), (624, 412909), (728, 353922), (732, 351988), (793, 324912), (854, 301704), (967, 266448), (976, 263991), (1092, 235948), (1281, 201136), (1456, 176961), (1464, 175994), (1586, 162456), (1708, 150852), (1934, 133224), (2184, 117974), (2379, 108304), (2562, 100568), (2901, 88816), (2928, 87997), (3172, 81228), (3416, 75426), (3868, 66612), (4368, 58987), (4758, 54152), (5124, 50284), (5551, 46416), (5802, 44408), (6344, 40614), (6769, 38064), (6832, 37713), (7736, 33306), (9516, 27076), (10248, 25142), (11102, 23208), (11604, 22204), (12571, 20496), (12688, 20307), (13538, 19032), (15472, 16653)]