71821786

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{3881}}^1$

素因数の和:4389

約数の個数: 16

約数和(自身を含む): 113664960

約数和(自身を除く): 41843174

約数列:

[1, 2, 19, 38, 487, 974, 3881, 7762, 9253, 18506, 73739, 147478, 1890047, 3780094, 35910893, 71821786]

約数ペア:

[(1, 71821786), (2, 35910893), (19, 3780094), (38, 1890047), (487, 147478), (974, 73739), (3881, 18506), (7762, 9253)]