9997820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71413}}^1$

素因数の和:71429

約数の個数: 24

約数和(自身を含む): 23995104

約数和(自身を除く): 13997284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 71413, 142826, 285652, 357065, 499891, 714130, 999782, 1428260, 1999564, 2499455, 4998910, 9997820]

約数ペア:

[(1, 9997820), (2, 4998910), (4, 2499455), (5, 1999564), (7, 1428260), (10, 999782), (14, 714130), (20, 499891), (28, 357065), (35, 285652), (70, 142826), (140, 71413)]