81575395

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{761}}^1\times {\mathrm{1949}}^1$

素因数の和:2726

約数の個数: 16

約数和(自身を含む): 106984800

約数和(自身を除く): 25409405

約数列:

[1, 5, 11, 55, 761, 1949, 3805, 8371, 9745, 21439, 41855, 107195, 1483189, 7415945, 16315079, 81575395]

約数ペア:

[(1, 81575395), (5, 16315079), (11, 7415945), (55, 1483189), (761, 107195), (1949, 41855), (3805, 21439), (8371, 9745)]