12926225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1283}}^1$

素因数の和:1337

約数の個数: 24

約数和(自身を含む): 17832192

約数和(自身を除く): 4905967

約数列:

[1, 5, 13, 25, 31, 65, 155, 325, 403, 775, 1283, 2015, 6415, 10075, 16679, 32075, 39773, 83395, 198865, 416975, 517049, 994325, 2585245, 12926225]

約数ペア:

[(1, 12926225), (5, 2585245), (13, 994325), (25, 517049), (31, 416975), (65, 198865), (155, 83395), (325, 39773), (403, 32075), (775, 16679), (1283, 10075), (2015, 6415)]