31730725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1097}}^1$

素因数の和:1209

約数の個数: 24

約数和(自身を含む): 42887880

約数和(自身を除く): 11157155

約数列:

[1, 5, 13, 25, 65, 89, 325, 445, 1097, 1157, 2225, 5485, 5785, 14261, 27425, 28925, 71305, 97633, 356525, 488165, 1269229, 2440825, 6346145, 31730725]

約数ペア:

[(1, 31730725), (5, 6346145), (13, 2440825), (25, 1269229), (65, 488165), (89, 356525), (325, 97633), (445, 71305), (1097, 28925), (1157, 27425), (2225, 14261), (5485, 5785)]