28212215

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{1889}}^1$

素因数の和:2026

約数の個数: 16

約数和(自身を含む): 35380800

約数和(自身を除く): 7168585

約数列:

[1, 5, 29, 103, 145, 515, 1889, 2987, 9445, 14935, 54781, 194567, 273905, 972835, 5642443, 28212215]

約数ペア:

[(1, 28212215), (5, 5642443), (29, 972835), (103, 273905), (145, 194567), (515, 54781), (1889, 14935), (2987, 9445)]