81941585

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{4127}}^1$

素因数の和:4181

約数の個数: 24

約数和(自身を含む): 113239296

約数和(自身を除く): 31297711

約数列:

[1, 5, 11, 19, 55, 95, 209, 361, 1045, 1805, 3971, 4127, 19855, 20635, 45397, 78413, 226985, 392065, 862543, 1489847, 4312715, 7449235, 16388317, 81941585]

約数ペア:

[(1, 81941585), (5, 16388317), (11, 7449235), (19, 4312715), (55, 1489847), (95, 862543), (209, 392065), (361, 226985), (1045, 78413), (1805, 45397), (3971, 20635), (4127, 19855)]