243399208

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{2687}}^1$

素因数の和:2786

約数の個数: 48

約数和(自身を含む): 501742080

約数和(自身を除く): 258342872

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 169, 268, 338, 536, 676, 871, 1352, 1742, 2687, 3484, 5374, 6968, 10748, 11323, 21496, 22646, 34931, 45292, 69862, 90584, 139724, 180029, 279448, 360058, 454103, 720116, 908206, 1440232, 1816412, 2340377, 3632824, 4680754, 9361508, 18723016, 30424901, 60849802, 121699604, 243399208]

約数ペア:

[(1, 243399208), (2, 121699604), (4, 60849802), (8, 30424901), (13, 18723016), (26, 9361508), (52, 4680754), (67, 3632824), (104, 2340377), (134, 1816412), (169, 1440232), (268, 908206), (338, 720116), (536, 454103), (676, 360058), (871, 279448), (1352, 180029), (1742, 139724), (2687, 90584), (3484, 69862), (5374, 45292), (6968, 34931), (10748, 22646), (11323, 21496)]