81565510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{8837}}^1$

素因数の和:8928

約数の個数: 32

約数和(自身を含む): 160356672

約数和(自身を除く): 78791162

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4615, 8837, 9230, 17674, 44185, 88370, 114881, 229762, 574405, 627427, 1148810, 1254854, 3137135, 6274270, 8156551, 16313102, 40782755, 81565510]

約数ペア:

[(1, 81565510), (2, 40782755), (5, 16313102), (10, 8156551), (13, 6274270), (26, 3137135), (65, 1254854), (71, 1148810), (130, 627427), (142, 574405), (355, 229762), (710, 114881), (923, 88370), (1846, 44185), (4615, 17674), (8837, 9230)]