1390652275

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{172217}}^1$

素因数の和:172263

約数の個数: 24

約数和(自身を含む): 1921952880

約数和(自身を除く): 531300605

約数列:

[1, 5, 17, 19, 25, 85, 95, 323, 425, 475, 1615, 8075, 172217, 861085, 2927689, 3272123, 4305425, 14638445, 16360615, 55626091, 73192225, 81803075, 278130455, 1390652275]

約数ペア:

[(1, 1390652275), (5, 278130455), (17, 81803075), (19, 73192225), (25, 55626091), (85, 16360615), (95, 14638445), (323, 4305425), (425, 3272123), (475, 2927689), (1615, 861085), (8075, 172217)]