657990580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2530733}}^1$

素因数の和:2530755

約数の個数: 24

約数和(自身を含む): 1488071592

約数和(自身を除く): 830081012

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2530733, 5061466, 10122932, 12653665, 25307330, 32899529, 50614660, 65799058, 131598116, 164497645, 328995290, 657990580]

約数ペア:

[(1, 657990580), (2, 328995290), (4, 164497645), (5, 131598116), (10, 65799058), (13, 50614660), (20, 32899529), (26, 25307330), (52, 12653665), (65, 10122932), (130, 5061466), (260, 2530733)]