81379696

素因数分解:

$2^4\times {\mathrm{431}}^1\times {\mathrm{11801}}^1$

素因数の和:12240

約数の個数: 20

約数和(自身を含む): 158052384

約数和(自身を除く): 76672688

約数列:

[1, 2, 4, 8, 16, 431, 862, 1724, 3448, 6896, 11801, 23602, 47204, 94408, 188816, 5086231, 10172462, 20344924, 40689848, 81379696]

約数ペア:

[(1, 81379696), (2, 40689848), (4, 20344924), (8, 10172462), (16, 5086231), (431, 188816), (862, 94408), (1724, 47204), (3448, 23602), (6896, 11801)]