66872015

素因数分解:

$5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{3739}}^1$

素因数の和:3831

約数の個数: 24

約数和(自身を含む): 94651920

約数和(自身を除く): 27779905

約数列:

[1, 5, 7, 35, 49, 73, 245, 365, 511, 2555, 3577, 3739, 17885, 18695, 26173, 130865, 183211, 272947, 916055, 1364735, 1910629, 9553145, 13374403, 66872015]

約数ペア:

[(1, 66872015), (5, 13374403), (7, 9553145), (35, 1910629), (49, 1364735), (73, 916055), (245, 272947), (365, 183211), (511, 130865), (2555, 26173), (3577, 18695), (3739, 17885)]