85780513

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{1229}}^1$

素因数の和:1321

約数の個数: 24

約数和(自身を含む): 108043200

約数和(自身を除く): 22262687

約数列:

[1, 7, 13, 59, 91, 169, 413, 767, 1183, 1229, 5369, 8603, 9971, 15977, 69797, 72511, 111839, 207701, 507577, 942643, 1453907, 6598501, 12254359, 85780513]

約数ペア:

[(1, 85780513), (7, 12254359), (13, 6598501), (59, 1453907), (91, 942643), (169, 507577), (413, 207701), (767, 111839), (1183, 72511), (1229, 69797), (5369, 15977), (8603, 9971)]