30991855

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{1303}}^1$

素因数の和:1446

約数の個数: 16

約数和(自身を含む): 38306304

約数和(自身を除く): 7314449

約数列:

[1, 5, 67, 71, 335, 355, 1303, 4757, 6515, 23785, 87301, 92513, 436505, 462565, 6198371, 30991855]

約数ペア:

[(1, 30991855), (5, 6198371), (67, 462565), (71, 436505), (335, 92513), (355, 87301), (1303, 23785), (4757, 6515)]