256465508

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{21727}}^1$

素因数の和:21971

約数の個数: 24

約数和(自身を含む): 485490432

約数和(自身を除く): 229024924

約数列:

[1, 2, 4, 13, 26, 52, 227, 454, 908, 2951, 5902, 11804, 21727, 43454, 86908, 282451, 564902, 1129804, 4932029, 9864058, 19728116, 64116377, 128232754, 256465508]

約数ペア:

[(1, 256465508), (2, 128232754), (4, 64116377), (13, 19728116), (26, 9864058), (52, 4932029), (227, 1129804), (454, 564902), (908, 282451), (2951, 86908), (5902, 43454), (11804, 21727)]