31992025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{569}}^1$

素因数の和:765

約数の個数: 24

約数和(自身を含む): 43044120

約数和(自身を除く): 11052095

約数列:

[1, 5, 13, 25, 65, 173, 325, 569, 865, 2249, 2845, 4325, 7397, 11245, 14225, 36985, 56225, 98437, 184925, 492185, 1279681, 2460925, 6398405, 31992025]

約数ペア:

[(1, 31992025), (5, 6398405), (13, 2460925), (25, 1279681), (65, 492185), (173, 184925), (325, 98437), (569, 56225), (865, 36985), (2249, 14225), (2845, 11245), (4325, 7397)]