255520312

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{277}}^1\times {\mathrm{1721}}^1$

素因数の和:2071

約数の個数: 32

約数和(自身を含む): 488290320

約数和(自身を除く): 232770008

約数列:

[1, 2, 4, 8, 67, 134, 268, 277, 536, 554, 1108, 1721, 2216, 3442, 6884, 13768, 18559, 37118, 74236, 115307, 148472, 230614, 461228, 476717, 922456, 953434, 1906868, 3813736, 31940039, 63880078, 127760156, 255520312]

約数ペア:

[(1, 255520312), (2, 127760156), (4, 63880078), (8, 31940039), (67, 3813736), (134, 1906868), (268, 953434), (277, 922456), (536, 476717), (554, 461228), (1108, 230614), (1721, 148472), (2216, 115307), (3442, 74236), (6884, 37118), (13768, 18559)]