6400225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:489

約数の個数: 24

約数和(自身を含む): 8749440

約数和(自身を除く): 2349215

約数列:

[1, 5, 13, 25, 47, 65, 235, 325, 419, 611, 1175, 2095, 3055, 5447, 10475, 15275, 19693, 27235, 98465, 136175, 256009, 492325, 1280045, 6400225]

約数ペア:

[(1, 6400225), (5, 1280045), (13, 492325), (25, 256009), (47, 136175), (65, 98465), (235, 27235), (325, 19693), (419, 15275), (611, 10475), (1175, 5447), (2095, 3055)]