28229905

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{1609}}^1$

素因数の和:1665

約数の個数: 24

約数和(自身を含む): 38543400

約数和(自身を除く): 10313495

約数列:

[1, 5, 11, 29, 55, 121, 145, 319, 605, 1595, 1609, 3509, 8045, 17545, 17699, 46661, 88495, 194689, 233305, 513271, 973445, 2566355, 5645981, 28229905]

約数ペア:

[(1, 28229905), (5, 5645981), (11, 2566355), (29, 973445), (55, 513271), (121, 233305), (145, 194689), (319, 88495), (605, 46661), (1595, 17699), (1609, 17545), (3509, 8045)]