257908547

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 304057152

約数和(自身を除く): 46148605

約数列:

[1, 13, 17, 53, 97, 221, 227, 689, 901, 1261, 1649, 2951, 3859, 5141, 11713, 12031, 21437, 22019, 50167, 66833, 87397, 156403, 204527, 286247, 374323, 1136161, 1167007, 2658851, 4866199, 15171091, 19839119, 257908547]

約数ペア:

[(1, 257908547), (13, 19839119), (17, 15171091), (53, 4866199), (97, 2658851), (221, 1167007), (227, 1136161), (689, 374323), (901, 286247), (1261, 204527), (1649, 156403), (2951, 87397), (3859, 66833), (5141, 50167), (11713, 22019), (12031, 21437)]