71985025

素因数分解:

$5^2\times 7^1\times {\mathrm{439}}^1\times {\mathrm{937}}^1$

素因数の和:1393

約数の個数: 24

約数和(自身を含む): 102354560

約数和(自身を除く): 30369535

約数列:

[1, 5, 7, 25, 35, 175, 439, 937, 2195, 3073, 4685, 6559, 10975, 15365, 23425, 32795, 76825, 163975, 411343, 2056715, 2879401, 10283575, 14397005, 71985025]

約数ペア:

[(1, 71985025), (5, 14397005), (7, 10283575), (25, 2879401), (35, 2056715), (175, 411343), (439, 163975), (937, 76825), (2195, 32795), (3073, 23425), (4685, 15365), (6559, 10975)]