31538647

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1\times {\mathrm{317}}^1$

素因数の和:618

約数の個数: 16

約数和(自身を含む): 36908352

約数和(自身を除く): 5369705

約数列:

[1, 7, 61, 233, 317, 427, 1631, 2219, 14213, 19337, 73861, 99491, 135359, 517027, 4505521, 31538647]

約数ペア:

[(1, 31538647), (7, 4505521), (61, 517027), (233, 135359), (317, 99491), (427, 73861), (1631, 19337), (2219, 14213)]