12684425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1259}}^1$

素因数の和:1313

約数の個数: 24

約数和(自身を含む): 17498880

約数和(自身を除く): 4814455

約数列:

[1, 5, 13, 25, 31, 65, 155, 325, 403, 775, 1259, 2015, 6295, 10075, 16367, 31475, 39029, 81835, 195145, 409175, 507377, 975725, 2536885, 12684425]

約数ペア:

[(1, 12684425), (5, 2536885), (13, 975725), (25, 507377), (31, 409175), (65, 195145), (155, 81835), (325, 39029), (403, 31475), (775, 16367), (1259, 10075), (2015, 6295)]