81010108

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 152460000

約数和(自身を除く): 71449892

約数列:

[1, 2, 4, 29, 43, 58, 86, 109, 116, 149, 172, 218, 298, 436, 596, 1247, 2494, 3161, 4321, 4687, 4988, 6322, 6407, 8642, 9374, 12644, 12814, 16241, 17284, 18748, 25628, 32482, 64964, 135923, 185803, 271846, 371606, 470989, 543692, 698363, 743212, 941978, 1396726, 1883956, 2793452, 20252527, 40505054, 81010108]

約数ペア:

[(1, 81010108), (2, 40505054), (4, 20252527), (29, 2793452), (43, 1883956), (58, 1396726), (86, 941978), (109, 743212), (116, 698363), (149, 543692), (172, 470989), (218, 371606), (298, 271846), (436, 185803), (596, 135923), (1247, 64964), (2494, 32482), (3161, 25628), (4321, 18748), (4687, 17284), (4988, 16241), (6322, 12814), (6407, 12644), (8642, 9374)]