64817776

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{130681}}^1$

素因数の和:130720

約数の個数: 20

約数和(自身を含む): 129636544

約数和(自身を除く): 64818768

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 130681, 261362, 522724, 1045448, 2090896, 4051111, 8102222, 16204444, 32408888, 64817776]

約数ペア:

[(1, 64817776), (2, 32408888), (4, 16204444), (8, 8102222), (16, 4051111), (31, 2090896), (62, 1045448), (124, 522724), (248, 261362), (496, 130681)]