506418380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1947763}}^1$

素因数の和:1947785

約数の個数: 24

約数和(自身を含む): 1145285232

約数和(自身を除く): 638866852

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1947763, 3895526, 7791052, 9738815, 19477630, 25320919, 38955260, 50641838, 101283676, 126604595, 253209190, 506418380]

約数ペア:

[(1, 506418380), (2, 253209190), (4, 126604595), (5, 101283676), (10, 50641838), (13, 38955260), (20, 25320919), (26, 19477630), (52, 9738815), (65, 7791052), (130, 3895526), (260, 1947763)]