81397072

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{379}}^1\times {\mathrm{433}}^1$

素因数の和:851

約数の個数: 40

約数和(自身を含む): 163600640

約数和(自身を除く): 82203568

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 379, 433, 496, 758, 866, 1516, 1732, 3032, 3464, 6064, 6928, 11749, 13423, 23498, 26846, 46996, 53692, 93992, 107384, 164107, 187984, 214768, 328214, 656428, 1312856, 2625712, 5087317, 10174634, 20349268, 40698536, 81397072]

約数ペア:

[(1, 81397072), (2, 40698536), (4, 20349268), (8, 10174634), (16, 5087317), (31, 2625712), (62, 1312856), (124, 656428), (248, 328214), (379, 214768), (433, 187984), (496, 164107), (758, 107384), (866, 93992), (1516, 53692), (1732, 46996), (3032, 26846), (3464, 23498), (6064, 13423), (6928, 11749)]