261570408

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{990797}}^1$

素因数の和:990817

約数の個数: 32

約数和(自身を含む): 713374560

約数和(自身を除く): 451804152

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 990797, 1981594, 2972391, 3963188, 5944782, 7926376, 10898767, 11889564, 21797534, 23779128, 32696301, 43595068, 65392602, 87190136, 130785204, 261570408]

約数ペア:

[(1, 261570408), (2, 130785204), (3, 87190136), (4, 65392602), (6, 43595068), (8, 32696301), (11, 23779128), (12, 21797534), (22, 11889564), (24, 10898767), (33, 7926376), (44, 5944782), (66, 3963188), (88, 2972391), (132, 1981594), (264, 990797)]