16217887

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1999}}^1$

素因数の和:2086

約数の個数: 16

約数和(自身を含む): 19840000

約数和(自身を除く): 3622113

約数列:

[1, 7, 19, 61, 133, 427, 1159, 1999, 8113, 13993, 37981, 121939, 265867, 853573, 2316841, 16217887]

約数ペア:

[(1, 16217887), (7, 2316841), (19, 853573), (61, 265867), (133, 121939), (427, 37981), (1159, 13993), (1999, 8113)]