261558512

素因数分解:

$2^4\times {\mathrm{379}}^1\times {\mathrm{43133}}^1$

素因数の和:43520

約数の個数: 20

約数和(自身を含む): 508118520

約数和(自身を除く): 246560008

約数列:

[1, 2, 4, 8, 16, 379, 758, 1516, 3032, 6064, 43133, 86266, 172532, 345064, 690128, 16347407, 32694814, 65389628, 130779256, 261558512]

約数ペア:

[(1, 261558512), (2, 130779256), (4, 65389628), (8, 32694814), (16, 16347407), (379, 690128), (758, 345064), (1516, 172532), (3032, 86266), (6064, 43133)]