156712025

素因数分解:

$5^2\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{439}}^1$

素因数の和:689

約数の個数: 24

約数和(自身を含む): 198052800

約数和(自身を除く): 41340775

約数列:

[1, 5, 25, 109, 131, 439, 545, 655, 2195, 2725, 3275, 10975, 14279, 47851, 57509, 71395, 239255, 287545, 356975, 1196275, 1437725, 6268481, 31342405, 156712025]

約数ペア:

[(1, 156712025), (5, 31342405), (25, 6268481), (109, 1437725), (131, 1196275), (439, 356975), (545, 287545), (655, 239255), (2195, 71395), (2725, 57509), (3275, 47851), (10975, 14279)]