261407256

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{990179}}^1$

素因数の和:990199

約数の個数: 32

約数和(自身を含む): 712929600

約数和(自身を除く): 451522344

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 990179, 1980358, 2970537, 3960716, 5941074, 7921432, 10891969, 11882148, 21783938, 23764296, 32675907, 43567876, 65351814, 87135752, 130703628, 261407256]

約数ペア:

[(1, 261407256), (2, 130703628), (3, 87135752), (4, 65351814), (6, 43567876), (8, 32675907), (11, 23764296), (12, 21783938), (22, 11882148), (24, 10891969), (33, 7921432), (44, 5941074), (66, 3960716), (88, 2970537), (132, 1980358), (264, 990179)]