1640802245

素因数分解:

$5^1\times {\mathrm{353}}^1\times {\mathrm{557}}^1\times {\mathrm{1669}}^1$

素因数の和:2584

約数の個数: 16

約数和(自身を含む): 1979270640

約数和(自身を除く): 338468395

約数列:

[1, 5, 353, 557, 1669, 1765, 2785, 8345, 196621, 589157, 929633, 983105, 2945785, 4648165, 328160449, 1640802245]

約数ペア:

[(1, 1640802245), (5, 328160449), (353, 4648165), (557, 2945785), (1669, 983105), (1765, 929633), (2785, 589157), (8345, 196621)]