28890455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{3779}}^1$

素因数の和:3934

約数の個数: 16

約数和(自身を含む): 38102400

約数和(自身を除く): 9211945

約数列:

[1, 5, 11, 55, 139, 695, 1529, 3779, 7645, 18895, 41569, 207845, 525281, 2626405, 5778091, 28890455]

約数ペア:

[(1, 28890455), (5, 5778091), (11, 2626405), (55, 525281), (139, 207845), (695, 41569), (1529, 18895), (3779, 7645)]