28536805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{379}}^1$

素因数の和:469

約数の個数: 24

約数和(自身を含む): 38495520

約数和(自身を除く): 9958715

約数列:

[1, 5, 11, 37, 55, 185, 379, 407, 1369, 1895, 2035, 4169, 6845, 14023, 15059, 20845, 70115, 75295, 154253, 518851, 771265, 2594255, 5707361, 28536805]

約数ペア:

[(1, 28536805), (5, 5707361), (11, 2594255), (37, 771265), (55, 518851), (185, 154253), (379, 75295), (407, 70115), (1369, 20845), (1895, 15059), (2035, 14023), (4169, 6845)]