20160509

素因数分解:

${\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:316

約数の個数: 16

約数和(自身を含む): 21620736

約数和(自身を除く): 1460227

約数列:

[1, 31, 47, 101, 137, 1457, 3131, 4247, 4747, 6439, 13837, 147157, 199609, 428947, 650339, 20160509]

約数ペア:

[(1, 20160509), (31, 650339), (47, 428947), (101, 199609), (137, 147157), (1457, 13837), (3131, 6439), (4247, 4747)]