81302136

素因数分解:

$2^3\times 3^1\times {\mathrm{157}}^1\times {\mathrm{21577}}^1$

素因数の和:21743

約数の個数: 32

約数和(自身を含む): 204559440

約数和(自身を除く): 123257304

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 157, 314, 471, 628, 942, 1256, 1884, 3768, 21577, 43154, 64731, 86308, 129462, 172616, 258924, 517848, 3387589, 6775178, 10162767, 13550356, 20325534, 27100712, 40651068, 81302136]

約数ペア:

[(1, 81302136), (2, 40651068), (3, 27100712), (4, 20325534), (6, 13550356), (8, 10162767), (12, 6775178), (24, 3387589), (157, 517848), (314, 258924), (471, 172616), (628, 129462), (942, 86308), (1256, 64731), (1884, 43154), (3768, 21577)]