261059208

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{639851}}^1$

素因数の和:639877

約数の個数: 32

約数和(自身を含む): 691040160

約数和(自身を除く): 429980952

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 639851, 1279702, 1919553, 2559404, 3839106, 5118808, 7678212, 10877467, 15356424, 21754934, 32632401, 43509868, 65264802, 87019736, 130529604, 261059208]

約数ペア:

[(1, 261059208), (2, 130529604), (3, 87019736), (4, 65264802), (6, 43509868), (8, 32632401), (12, 21754934), (17, 15356424), (24, 10877467), (34, 7678212), (51, 5118808), (68, 3839106), (102, 2559404), (136, 1919553), (204, 1279702), (408, 639851)]