81473905

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{2351}}^1$

素因数の和:2624

約数の個数: 16

約数和(自身を含む): 101606400

約数和(自身を除く): 20132495

約数列:

[1, 5, 29, 145, 239, 1195, 2351, 6931, 11755, 34655, 68179, 340895, 561889, 2809445, 16294781, 81473905]

約数ペア:

[(1, 81473905), (5, 16294781), (29, 2809445), (145, 561889), (239, 340895), (1195, 68179), (2351, 34655), (6931, 11755)]