261124486

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1\times {\mathrm{1877}}^1$

素因数の和:2428

約数の個数: 32

約数和(自身を含む): 472354560

約数和(自身を除く): 211230074

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 523, 1046, 1877, 3661, 3754, 7322, 9937, 13139, 19874, 26278, 35663, 69559, 71326, 139118, 249641, 499282, 981671, 1963342, 6871697, 13743394, 18651749, 37303498, 130562243, 261124486]

約数ペア:

[(1, 261124486), (2, 130562243), (7, 37303498), (14, 18651749), (19, 13743394), (38, 6871697), (133, 1963342), (266, 981671), (523, 499282), (1046, 249641), (1877, 139118), (3661, 71326), (3754, 69559), (7322, 35663), (9937, 26278), (13139, 19874)]