72647825

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:473

約数の個数: 24

約数和(自身を含む): 92160768

約数和(自身を除く): 19512943

約数列:

[1, 5, 25, 83, 157, 223, 415, 785, 1115, 2075, 3925, 5575, 13031, 18509, 35011, 65155, 92545, 175055, 325775, 462725, 875275, 2905913, 14529565, 72647825]

約数ペア:

[(1, 72647825), (5, 14529565), (25, 2905913), (83, 875275), (157, 462725), (223, 325775), (415, 175055), (785, 92545), (1115, 65155), (2075, 35011), (3925, 18509), (5575, 13031)]