2851225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:337

約数の個数: 24

約数和(自身を含む): 3944192

約数和(自身を除く): 1092967

約数列:

[1, 5, 13, 25, 31, 65, 155, 283, 325, 403, 775, 1415, 2015, 3679, 7075, 8773, 10075, 18395, 43865, 91975, 114049, 219325, 570245, 2851225]

約数ペア:

[(1, 2851225), (5, 570245), (13, 219325), (25, 114049), (31, 91975), (65, 43865), (155, 18395), (283, 10075), (325, 8773), (403, 7075), (775, 3679), (1415, 2015)]