221360945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{1409}}^1\times {\mathrm{2417}}^1$

素因数の和:3844

約数の個数: 16

約数和(自身を含む): 286387920

約数和(自身を除く): 65026975

約数列:

[1, 5, 13, 65, 1409, 2417, 7045, 12085, 18317, 31421, 91585, 157105, 3405553, 17027765, 44272189, 221360945]

約数ペア:

[(1, 221360945), (5, 44272189), (13, 17027765), (65, 3405553), (1409, 157105), (2417, 91585), (7045, 31421), (12085, 18317)]