311264

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:218

約数の個数: 24

約数和(自身を含む): 625968

約数和(自身を除く): 314704

約数列:

[1, 2, 4, 8, 16, 32, 71, 137, 142, 274, 284, 548, 568, 1096, 1136, 2192, 2272, 4384, 9727, 19454, 38908, 77816, 155632, 311264]

約数ペア:

[(1, 311264), (2, 155632), (4, 77816), (8, 38908), (16, 19454), (32, 9727), (71, 4384), (137, 2272), (142, 2192), (274, 1136), (284, 1096), (548, 568)]