6478225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:697

約数の個数: 24

約数和(自身を含む): 8943872

約数和(自身を除く): 2465647

約数列:

[1, 5, 13, 25, 31, 65, 155, 325, 403, 643, 775, 2015, 3215, 8359, 10075, 16075, 19933, 41795, 99665, 208975, 259129, 498325, 1295645, 6478225]

約数ペア:

[(1, 6478225), (5, 1295645), (13, 498325), (25, 259129), (31, 208975), (65, 99665), (155, 41795), (325, 19933), (403, 16075), (643, 10075), (775, 8359), (2015, 3215)]