51509855

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{4139}}^1$

素因数の和:4294

約数の個数: 16

約数和(自身を含む): 65577600

約数和(自身を除く): 14067745

約数列:

[1, 5, 19, 95, 131, 655, 2489, 4139, 12445, 20695, 78641, 393205, 542209, 2711045, 10301971, 51509855]

約数ペア:

[(1, 51509855), (5, 10301971), (19, 2711045), (95, 542209), (131, 393205), (655, 78641), (2489, 20695), (4139, 12445)]