661532008

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{1560217}}^1$

素因数の和:1560276

約数の個数: 16

約数和(自身を含む): 1263776580

約数和(自身を除く): 602244572

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 1560217, 3120434, 6240868, 12481736, 82691501, 165383002, 330766004, 661532008]

約数ペア:

[(1, 661532008), (2, 330766004), (4, 165383002), (8, 82691501), (53, 12481736), (106, 6240868), (212, 3120434), (424, 1560217)]