25921016

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{419}}^1$

素因数の和:492

約数の個数: 64

約数和(自身を含む): 57456000

約数和(自身を除く): 31534984

約数列:

[1, 2, 4, 8, 11, 19, 22, 37, 38, 44, 74, 76, 88, 148, 152, 209, 296, 407, 418, 419, 703, 814, 836, 838, 1406, 1628, 1672, 1676, 2812, 3256, 3352, 4609, 5624, 7733, 7961, 9218, 15466, 15503, 15922, 18436, 30932, 31006, 31844, 36872, 61864, 62012, 63688, 87571, 124024, 170533, 175142, 294557, 341066, 350284, 589114, 682132, 700568, 1178228, 1364264, 2356456, 3240127, 6480254, 12960508, 25921016]

約数ペア:

[(1, 25921016), (2, 12960508), (4, 6480254), (8, 3240127), (11, 2356456), (19, 1364264), (22, 1178228), (37, 700568), (38, 682132), (44, 589114), (74, 350284), (76, 341066), (88, 294557), (148, 175142), (152, 170533), (209, 124024), (296, 87571), (407, 63688), (418, 62012), (419, 61864), (703, 36872), (814, 31844), (836, 31006), (838, 30932), (1406, 18436), (1628, 15922), (1672, 15503), (1676, 15466), (2812, 9218), (3256, 7961), (3352, 7733), (4609, 5624)]