16016975

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{223}}^1$

素因数の和:276

約数の個数: 36

約数和(自身を含む): 22873536

約数和(自身を除く): 6856561

約数列:

[1, 5, 13, 17, 25, 65, 85, 169, 221, 223, 325, 425, 845, 1105, 1115, 2873, 2899, 3791, 4225, 5525, 5575, 14365, 14495, 18955, 37687, 49283, 71825, 72475, 94775, 188435, 246415, 640679, 942175, 1232075, 3203395, 16016975]

約数ペア:

[(1, 16016975), (5, 3203395), (13, 1232075), (17, 942175), (25, 640679), (65, 246415), (85, 188435), (169, 94775), (221, 72475), (223, 71825), (325, 49283), (425, 37687), (845, 18955), (1105, 14495), (1115, 14365), (2873, 5575), (2899, 5525), (3791, 4225)]