71900045

素因数分解:

$5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{30661}}^1$

素因数の和:30740

約数の個数: 16

約数和(自身を含む): 100080768

約数和(自身を除く): 28180723

約数列:

[1, 5, 7, 35, 67, 335, 469, 2345, 30661, 153305, 214627, 1073135, 2054287, 10271435, 14380009, 71900045]

約数ペア:

[(1, 71900045), (5, 14380009), (7, 10271435), (35, 2054287), (67, 1073135), (335, 214627), (469, 153305), (2345, 30661)]