81108148

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{263}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 160022016

約数和(自身を除く): 78913868

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 163, 172, 263, 326, 473, 526, 652, 946, 1052, 1793, 1892, 2893, 3586, 5786, 7009, 7172, 11309, 11572, 14018, 22618, 28036, 42869, 45236, 77099, 85738, 124399, 154198, 171476, 248798, 308396, 471559, 497596, 943118, 1843367, 1886236, 3686734, 7373468, 20277037, 40554074, 81108148]

約数ペア:

[(1, 81108148), (2, 40554074), (4, 20277037), (11, 7373468), (22, 3686734), (43, 1886236), (44, 1843367), (86, 943118), (163, 497596), (172, 471559), (263, 308396), (326, 248798), (473, 171476), (526, 154198), (652, 124399), (946, 85738), (1052, 77099), (1793, 45236), (1892, 42869), (2893, 28036), (3586, 22618), (5786, 14018), (7009, 11572), (7172, 11309)]