28720164

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{217577}}^1$

素因数の和:217595

約数の個数: 24

約数和(自身を含む): 73106208

約数和(自身を除く): 44386044

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 217577, 435154, 652731, 870308, 1305462, 2393347, 2610924, 4786694, 7180041, 9573388, 14360082, 28720164]

約数ペア:

[(1, 28720164), (2, 14360082), (3, 9573388), (4, 7180041), (6, 4786694), (11, 2610924), (12, 2393347), (22, 1305462), (33, 870308), (44, 652731), (66, 435154), (132, 217577)]