61681816

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{35531}}^1$

素因数の和:35575

約数の個数: 32

約数和(自身を含む): 136442880

約数和(自身を除く): 74761064

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 35531, 71062, 142124, 248717, 284248, 497434, 994868, 1101461, 1989736, 2202922, 4405844, 7710227, 8811688, 15420454, 30840908, 61681816]

約数ペア:

[(1, 61681816), (2, 30840908), (4, 15420454), (7, 8811688), (8, 7710227), (14, 4405844), (28, 2202922), (31, 1989736), (56, 1101461), (62, 994868), (124, 497434), (217, 284248), (248, 248717), (434, 142124), (868, 71062), (1736, 35531)]