26979205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{3529}}^1$

素因数の和:3684

約数の個数: 16

約数和(自身を含む): 35582400

約数和(自身を除く): 8603195

約数列:

[1, 5, 11, 55, 139, 695, 1529, 3529, 7645, 17645, 38819, 194095, 490531, 2452655, 5395841, 26979205]

約数ペア:

[(1, 26979205), (5, 5395841), (11, 2452655), (55, 490531), (139, 194095), (695, 38819), (1529, 17645), (3529, 7645)]