8813968

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:631

約数の個数: 40

約数和(自身を含む): 18266688

約数和(自身を除く): 9452720

約数列:

[1, 2, 4, 8, 16, 23, 43, 46, 86, 92, 172, 184, 344, 368, 557, 688, 989, 1114, 1978, 2228, 3956, 4456, 7912, 8912, 12811, 15824, 23951, 25622, 47902, 51244, 95804, 102488, 191608, 204976, 383216, 550873, 1101746, 2203492, 4406984, 8813968]

約数ペア:

[(1, 8813968), (2, 4406984), (4, 2203492), (8, 1101746), (16, 550873), (23, 383216), (43, 204976), (46, 191608), (86, 102488), (92, 95804), (172, 51244), (184, 47902), (344, 25622), (368, 23951), (557, 15824), (688, 12811), (989, 8912), (1114, 7912), (1978, 4456), (2228, 3956)]