69400816

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{139921}}^1$

素因数の和:139960

約数の個数: 20

約数和(自身を含む): 138802624

約数和(自身を除く): 69401808

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 139921, 279842, 559684, 1119368, 2238736, 4337551, 8675102, 17350204, 34700408, 69400816]

約数ペア:

[(1, 69400816), (2, 34700408), (4, 17350204), (8, 8675102), (16, 4337551), (31, 2238736), (62, 1119368), (124, 559684), (248, 279842), (496, 139921)]