218967580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{842183}}^1$

素因数の和:842205

約数の個数: 24

約数和(自身を含む): 495204192

約数和(自身を除く): 276236612

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 842183, 1684366, 3368732, 4210915, 8421830, 10948379, 16843660, 21896758, 43793516, 54741895, 109483790, 218967580]

約数ペア:

[(1, 218967580), (2, 109483790), (4, 54741895), (5, 43793516), (10, 21896758), (13, 16843660), (20, 10948379), (26, 8421830), (52, 4210915), (65, 3368732), (130, 1684366), (260, 842183)]