17880265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1979}}^1$

素因数の和:2136

約数の個数: 16

約数和(自身を含む): 23284800

約数和(自身を除く): 5404535

約数列:

[1, 5, 13, 65, 139, 695, 1807, 1979, 9035, 9895, 25727, 128635, 275081, 1375405, 3576053, 17880265]

約数ペア:

[(1, 17880265), (5, 3576053), (13, 1375405), (65, 275081), (139, 128635), (695, 25727), (1807, 9895), (1979, 9035)]