13220207

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 18192384

約数和(自身を除く): 4972177

約数列:

[1, 7, 11, 13, 47, 77, 91, 143, 281, 329, 517, 611, 1001, 1967, 3091, 3619, 3653, 4277, 6721, 13207, 21637, 25571, 40183, 47047, 92449, 145277, 171691, 281281, 1016939, 1201837, 1888601, 13220207]

約数ペア:

[(1, 13220207), (7, 1888601), (11, 1201837), (13, 1016939), (47, 281281), (77, 171691), (91, 145277), (143, 92449), (281, 47047), (329, 40183), (517, 25571), (611, 21637), (1001, 13207), (1967, 6721), (3091, 4277), (3619, 3653)]