261152710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{286981}}^1$

素因数の和:287008

約数の個数: 32

約数和(自身を含む): 578555712

約数和(自身を除く): 317403002

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 286981, 573962, 1434905, 2008867, 2869810, 3730753, 4017734, 7461506, 10044335, 18653765, 20088670, 26115271, 37307530, 52230542, 130576355, 261152710]

約数ペア:

[(1, 261152710), (2, 130576355), (5, 52230542), (7, 37307530), (10, 26115271), (13, 20088670), (14, 18653765), (26, 10044335), (35, 7461506), (65, 4017734), (70, 3730753), (91, 2869810), (130, 2008867), (182, 1434905), (455, 573962), (910, 286981)]