81325805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{3529}}^1$

素因数の和:3964

約数の個数: 16

約数和(自身を含む): 106747200

約数和(自身を除く): 25421395

約数列:

[1, 5, 11, 55, 419, 2095, 3529, 4609, 17645, 23045, 38819, 194095, 1478651, 7393255, 16265161, 81325805]

約数ペア:

[(1, 81325805), (5, 16265161), (11, 7393255), (55, 1478651), (419, 194095), (2095, 38819), (3529, 23045), (4609, 17645)]