667085488

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{821}}^1\times {\mathrm{1181}}^1$

素因数の和:2053

約数の個数: 40

約数和(自身を含む): 1325267856

約数和(自身を除く): 658182368

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 821, 1181, 1642, 2362, 3284, 4724, 6568, 9448, 13136, 18896, 35303, 50783, 70606, 101566, 141212, 203132, 282424, 406264, 564848, 812528, 969601, 1939202, 3878404, 7756808, 15513616, 41692843, 83385686, 166771372, 333542744, 667085488]

約数ペア:

[(1, 667085488), (2, 333542744), (4, 166771372), (8, 83385686), (16, 41692843), (43, 15513616), (86, 7756808), (172, 3878404), (344, 1939202), (688, 969601), (821, 812528), (1181, 564848), (1642, 406264), (2362, 282424), (3284, 203132), (4724, 141212), (6568, 101566), (9448, 70606), (13136, 50783), (18896, 35303)]