261572164

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{491677}}^1$

素因数の和:491707

約数の個数: 24

約数和(自身を含む): 550679360

約数和(自身を除く): 289107196

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 491677, 983354, 1966708, 3441739, 6883478, 9341863, 13766956, 18683726, 37367452, 65393041, 130786082, 261572164]

約数ペア:

[(1, 261572164), (2, 130786082), (4, 65393041), (7, 37367452), (14, 18683726), (19, 13766956), (28, 9341863), (38, 6883478), (76, 3441739), (133, 1966708), (266, 983354), (532, 491677)]