28967620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131671}}^1$

素因数の和:131691

約数の個数: 24

約数和(自身を含む): 66362688

約数和(自身を除く): 37395068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 131671, 263342, 526684, 658355, 1316710, 1448381, 2633420, 2896762, 5793524, 7241905, 14483810, 28967620]

約数ペア:

[(1, 28967620), (2, 14483810), (4, 7241905), (5, 5793524), (10, 2896762), (11, 2633420), (20, 1448381), (22, 1316710), (44, 658355), (55, 526684), (110, 263342), (220, 131671)]