4221425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:473

約数の個数: 24

約数和(自身を含む): 5832960

約数和(自身を除く): 1611535

約数列:

[1, 5, 13, 25, 31, 65, 155, 325, 403, 419, 775, 2015, 2095, 5447, 10075, 10475, 12989, 27235, 64945, 136175, 168857, 324725, 844285, 4221425]

約数ペア:

[(1, 4221425), (5, 844285), (13, 324725), (25, 168857), (31, 136175), (65, 64945), (155, 27235), (325, 12989), (403, 10475), (419, 10075), (775, 5447), (2015, 2095)]