72123715

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{18517}}^1$

素因数の和:18582

約数の個数: 16

約数和(自身を含む): 93330720

約数和(自身を除く): 21207005

約数列:

[1, 5, 19, 41, 95, 205, 779, 3895, 18517, 92585, 351823, 759197, 1759115, 3795985, 14424743, 72123715]

約数ペア:

[(1, 72123715), (5, 14424743), (19, 3795985), (41, 1759115), (95, 759197), (205, 351823), (779, 92585), (3895, 18517)]