261960296

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3583}}^1$

素因数の和:3658

約数の個数: 64

約数和(自身を含む): 572006400

約数和(自身を除く): 310046104

約数列:

[1, 2, 4, 8, 13, 19, 26, 37, 38, 52, 74, 76, 104, 148, 152, 247, 296, 481, 494, 703, 962, 988, 1406, 1924, 1976, 2812, 3583, 3848, 5624, 7166, 9139, 14332, 18278, 28664, 36556, 46579, 68077, 73112, 93158, 132571, 136154, 186316, 265142, 272308, 372632, 530284, 544616, 885001, 1060568, 1723423, 1770002, 2518849, 3446846, 3540004, 5037698, 6893692, 7080008, 10075396, 13787384, 20150792, 32745037, 65490074, 130980148, 261960296]

約数ペア:

[(1, 261960296), (2, 130980148), (4, 65490074), (8, 32745037), (13, 20150792), (19, 13787384), (26, 10075396), (37, 7080008), (38, 6893692), (52, 5037698), (74, 3540004), (76, 3446846), (104, 2518849), (148, 1770002), (152, 1723423), (247, 1060568), (296, 885001), (481, 544616), (494, 530284), (703, 372632), (962, 272308), (988, 265142), (1406, 186316), (1924, 136154), (1976, 132571), (2812, 93158), (3583, 73112), (3848, 68077), (5624, 46579), (7166, 36556), (9139, 28664), (14332, 18278)]