212855238

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{381461}}^1$

素因数の和:381500

約数の個数: 24

約数和(自身を含む): 476064576

約数和(自身を除く): 263209338

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 381461, 762922, 1144383, 2288766, 3433149, 6866298, 11825291, 23650582, 35475873, 70951746, 106427619, 212855238]

約数ペア:

[(1, 212855238), (2, 106427619), (3, 70951746), (6, 35475873), (9, 23650582), (18, 11825291), (31, 6866298), (62, 3433149), (93, 2288766), (186, 1144383), (279, 762922), (558, 381461)]