7647025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{947}}^1$

素因数の和:993

約数の個数: 24

約数和(自身を含む): 10579680

約数和(自身を除く): 2932655

約数列:

[1, 5, 17, 19, 25, 85, 95, 323, 425, 475, 947, 1615, 4735, 8075, 16099, 17993, 23675, 80495, 89965, 305881, 402475, 449825, 1529405, 7647025]

約数ペア:

[(1, 7647025), (5, 1529405), (17, 449825), (19, 402475), (25, 305881), (85, 89965), (95, 80495), (323, 23675), (425, 17993), (475, 16099), (947, 8075), (1615, 4735)]