2013115975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{199813}}^1$

素因数の和:199867

約数の個数: 24

約数和(自身を含む): 2775016832

約数和(自身を除く): 761900857

約数列:

[1, 5, 13, 25, 31, 65, 155, 325, 403, 775, 2015, 10075, 199813, 999065, 2597569, 4995325, 6194203, 12987845, 30971015, 64939225, 80524639, 154855075, 402623195, 2013115975]

約数ペア:

[(1, 2013115975), (5, 402623195), (13, 154855075), (25, 80524639), (31, 64939225), (65, 30971015), (155, 12987845), (325, 6194203), (403, 4995325), (775, 2597569), (2015, 999065), (10075, 199813)]