2988020815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{421739}}^1$

素因数の和:421866

約数の個数: 16

約数和(自身を含む): 3896877600

約数和(自身を除く): 908856785

約数列:

[1, 5, 13, 65, 109, 545, 1417, 7085, 421739, 2108695, 5482607, 27413035, 45969551, 229847755, 597604163, 2988020815]

約数ペア:

[(1, 2988020815), (5, 597604163), (13, 229847755), (65, 45969551), (109, 27413035), (545, 5482607), (1417, 2108695), (7085, 421739)]