1681615

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{631}}^1$

素因数の和:690

約数の個数: 16

約数和(自身を含む): 2229696

約数和(自身を除く): 548081

約数列:

[1, 5, 13, 41, 65, 205, 533, 631, 2665, 3155, 8203, 25871, 41015, 129355, 336323, 1681615]

約数ペア:

[(1, 1681615), (5, 336323), (13, 129355), (41, 41015), (65, 25871), (205, 8203), (533, 3155), (631, 2665)]