13421915

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6661}}^1$

素因数の和:6710

約数の個数: 16

約数和(自身を含む): 17907456

約数和(自身を除く): 4485541

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 6661, 33305, 86593, 206491, 432965, 1032455, 2684383, 13421915]

約数ペア:

[(1, 13421915), (5, 2684383), (13, 1032455), (31, 432965), (65, 206491), (155, 86593), (403, 33305), (2015, 6661)]