259947384

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{251887}}^1$

素因数の和:251939

約数の個数: 32

約数和(自身を含む): 664984320

約数和(自身を除く): 405036936

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 251887, 503774, 755661, 1007548, 1511322, 2015096, 3022644, 6045288, 10831141, 21662282, 32493423, 43324564, 64986846, 86649128, 129973692, 259947384]

約数ペア:

[(1, 259947384), (2, 129973692), (3, 86649128), (4, 64986846), (6, 43324564), (8, 32493423), (12, 21662282), (24, 10831141), (43, 6045288), (86, 3022644), (129, 2015096), (172, 1511322), (258, 1007548), (344, 755661), (516, 503774), (1032, 251887)]