71287525

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{673}}^1$

素因数の和:925

約数の個数: 24

約数和(自身を含む): 93605120

約数和(自身を除く): 22317595

約数列:

[1, 5, 19, 25, 95, 223, 475, 673, 1115, 3365, 4237, 5575, 12787, 16825, 21185, 63935, 105925, 150079, 319675, 750395, 2851501, 3751975, 14257505, 71287525]

約数ペア:

[(1, 71287525), (5, 14257505), (19, 3751975), (25, 2851501), (95, 750395), (223, 319675), (475, 150079), (673, 105925), (1115, 63935), (3365, 21185), (4237, 16825), (5575, 12787)]