66405764

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{277}}^1\times {\mathrm{821}}^1$

素因数の和:1175

約数の個数: 24

約数和(自身を含む): 118371288

約数和(自身を除く): 51965524

約数列:

[1, 2, 4, 73, 146, 277, 292, 554, 821, 1108, 1642, 3284, 20221, 40442, 59933, 80884, 119866, 227417, 239732, 454834, 909668, 16601441, 33202882, 66405764]

約数ペア:

[(1, 66405764), (2, 33202882), (4, 16601441), (73, 909668), (146, 454834), (277, 239732), (292, 227417), (554, 119866), (821, 80884), (1108, 59933), (1642, 40442), (3284, 20221)]