211506542

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{89}}^2$

素因数の和:285

約数の個数: 36

約数和(自身を含む): 351843120

約数和(自身を除く): 140336578

約数列:

[1, 2, 13, 26, 79, 89, 158, 169, 178, 338, 1027, 1157, 2054, 2314, 7031, 7921, 13351, 14062, 15041, 15842, 26702, 30082, 91403, 102973, 182806, 205946, 625759, 1188239, 1251518, 1338649, 2376478, 2677298, 8134867, 16269734, 105753271, 211506542]

約数ペア:

[(1, 211506542), (2, 105753271), (13, 16269734), (26, 8134867), (79, 2677298), (89, 2376478), (158, 1338649), (169, 1251518), (178, 1188239), (338, 625759), (1027, 205946), (1157, 182806), (2054, 102973), (2314, 91403), (7031, 30082), (7921, 26702), (13351, 15842), (14062, 15041)]