16880395

素因数分解:

$5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1571}}^1$

素因数の和:1890

約数の個数: 16

約数和(自身を含む): 23240448

約数和(自身を除く): 6360053

約数列:

[1, 5, 7, 35, 307, 1535, 1571, 2149, 7855, 10745, 10997, 54985, 482297, 2411485, 3376079, 16880395]

約数ペア:

[(1, 16880395), (5, 3376079), (7, 2411485), (35, 482297), (307, 54985), (1535, 10997), (1571, 10745), (2149, 7855)]