2921425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:213

約数の個数: 24

約数和(自身を含む): 3984120

約数和(自身を除く): 1062695

約数列:

[1, 5, 13, 25, 65, 89, 101, 325, 445, 505, 1157, 1313, 2225, 2525, 5785, 6565, 8989, 28925, 32825, 44945, 116857, 224725, 584285, 2921425]

約数ペア:

[(1, 2921425), (5, 584285), (13, 224725), (25, 116857), (65, 44945), (89, 32825), (101, 28925), (325, 8989), (445, 6565), (505, 5785), (1157, 2525), (1313, 2225)]