261049136

素因数分解:

$2^4\times {\mathrm{379}}^1\times {\mathrm{43049}}^1$

素因数の和:43436

約数の個数: 20

約数和(自身を含む): 507129000

約数和(自身を除く): 246079864

約数列:

[1, 2, 4, 8, 16, 379, 758, 1516, 3032, 6064, 43049, 86098, 172196, 344392, 688784, 16315571, 32631142, 65262284, 130524568, 261049136]

約数ペア:

[(1, 261049136), (2, 130524568), (4, 65262284), (8, 32631142), (16, 16315571), (379, 688784), (758, 344392), (1516, 172196), (3032, 86098), (6064, 43049)]