20150405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{3557}}^1$

素因数の和:3676

約数の個数: 16

約数和(自身を含む): 26642304

約数和(自身を除く): 6491899

約数列:

[1, 5, 11, 55, 103, 515, 1133, 3557, 5665, 17785, 39127, 195635, 366371, 1831855, 4030081, 20150405]

約数ペア:

[(1, 20150405), (5, 4030081), (11, 1831855), (55, 366371), (103, 195635), (515, 39127), (1133, 17785), (3557, 5665)]