728415457

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{155081}}^1$

素因数の和:155160

約数の個数: 16

約数和(自身を含む): 923048064

約数和(自身を除く): 194632607

約数列:

[1, 7, 11, 61, 77, 427, 671, 4697, 155081, 1085567, 1705891, 9459941, 11941237, 66219587, 104059351, 728415457]

約数ペア:

[(1, 728415457), (7, 104059351), (11, 66219587), (61, 11941237), (77, 9459941), (427, 1705891), (671, 1085567), (4697, 155081)]