1917401615

素因数分解:

$5^1\times {\mathrm{31}}^2\times {\mathrm{399043}}^1$

素因数の和:399110

約数の個数: 12

約数和(自身を含む): 2377504152

約数和(自身を除く): 460102537

約数列:

[1, 5, 31, 155, 961, 4805, 399043, 1995215, 12370333, 61851665, 383480323, 1917401615]

約数ペア:

[(1, 1917401615), (5, 383480323), (31, 61851665), (155, 12370333), (961, 1995215), (4805, 399043)]