11987495

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{593}}^1$

素因数の和:922

約数の個数: 16

約数和(自身を含む): 15567552

約数和(自身を除く): 3580057

約数列:

[1, 5, 13, 65, 311, 593, 1555, 2965, 4043, 7709, 20215, 38545, 184423, 922115, 2397499, 11987495]

約数ペア:

[(1, 11987495), (5, 2397499), (13, 922115), (65, 184423), (311, 38545), (593, 20215), (1555, 7709), (2965, 4043)]