51474215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1259}}^1$

素因数の和:1331

約数の個数: 32

約数和(自身を含む): 72394560

約数和(自身を除く): 20920345

約数列:

[1, 5, 13, 17, 37, 65, 85, 185, 221, 481, 629, 1105, 1259, 2405, 3145, 6295, 8177, 16367, 21403, 40885, 46583, 81835, 107015, 232915, 278239, 605579, 791911, 1391195, 3027895, 3959555, 10294843, 51474215]

約数ペア:

[(1, 51474215), (5, 10294843), (13, 3959555), (17, 3027895), (37, 1391195), (65, 791911), (85, 605579), (185, 278239), (221, 232915), (481, 107015), (629, 81835), (1105, 46583), (1259, 40885), (2405, 21403), (3145, 16367), (6295, 8177)]