68129825

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{293}}^1$

素因数の和:505

約数の個数: 24

約数和(自身を含む): 86619456

約数和(自身を除く): 18489631

約数列:

[1, 5, 25, 71, 131, 293, 355, 655, 1465, 1775, 3275, 7325, 9301, 20803, 38383, 46505, 104015, 191915, 232525, 520075, 959575, 2725193, 13625965, 68129825]

約数ペア:

[(1, 68129825), (5, 13625965), (25, 2725193), (71, 959575), (131, 520075), (293, 232525), (355, 191915), (655, 104015), (1465, 46505), (1775, 38383), (3275, 20803), (7325, 9301)]