2009360015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{997201}}^1$

素因数の和:997250

約数の個数: 16

約数和(自身を含む): 2680478976

約数和(自身を除く): 671118961

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 997201, 4986005, 12963613, 30913231, 64818065, 154566155, 401872003, 2009360015]

約数ペア:

[(1, 2009360015), (5, 401872003), (13, 154566155), (31, 64818065), (65, 30913231), (155, 12963613), (403, 4986005), (2015, 997201)]