39971935

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{1033}}^1$

素因数の和:1218

約数の個数: 16

約数和(自身を含む): 49135680

約数和(自身を除く): 9163745

約数列:

[1, 5, 71, 109, 355, 545, 1033, 5165, 7739, 38695, 73343, 112597, 366715, 562985, 7994387, 39971935]

約数ペア:

[(1, 39971935), (5, 7994387), (71, 562985), (109, 366715), (355, 112597), (545, 73343), (1033, 38695), (5165, 7739)]