15906401

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2917}}^1$

素因数の和:2984

約数の個数: 16

約数和(自身を含む): 19608960

約数和(自身を除く): 3702559

約数列:

[1, 7, 19, 41, 133, 287, 779, 2917, 5453, 20419, 55423, 119597, 387961, 837179, 2272343, 15906401]

約数ペア:

[(1, 15906401), (7, 2272343), (19, 837179), (41, 387961), (133, 119597), (287, 55423), (779, 20419), (2917, 5453)]