211372018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{409}}^1$

素因数の和:587

約数の個数: 48

約数和(自身を含む): 378151200

約数和(自身を除く): 166779182

約数列:

[1, 2, 11, 13, 22, 26, 139, 143, 169, 278, 286, 338, 409, 818, 1529, 1807, 1859, 3058, 3614, 3718, 4499, 5317, 8998, 10634, 19877, 23491, 39754, 46982, 56851, 58487, 69121, 113702, 116974, 138242, 258401, 516802, 625361, 739063, 760331, 1250722, 1478126, 1520662, 8129693, 9607819, 16259386, 19215638, 105686009, 211372018]

約数ペア:

[(1, 211372018), (2, 105686009), (11, 19215638), (13, 16259386), (22, 9607819), (26, 8129693), (139, 1520662), (143, 1478126), (169, 1250722), (278, 760331), (286, 739063), (338, 625361), (409, 516802), (818, 258401), (1529, 138242), (1807, 116974), (1859, 113702), (3058, 69121), (3614, 58487), (3718, 56851), (4499, 46982), (5317, 39754), (8998, 23491), (10634, 19877)]