2103205

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:181

約数の個数: 24

約数和(自身を含む): 2898720

約数和(自身を除く): 795515

約数列:

[1, 5, 13, 19, 65, 95, 131, 169, 247, 655, 845, 1235, 1703, 2489, 3211, 8515, 12445, 16055, 22139, 32357, 110695, 161785, 420641, 2103205]

約数ペア:

[(1, 2103205), (5, 420641), (13, 161785), (19, 110695), (65, 32357), (95, 22139), (131, 16055), (169, 12445), (247, 8515), (655, 3211), (845, 2489), (1235, 1703)]