80542021

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 99993600

約数和(自身を除く): 19451579

約数列:

[1, 7, 23, 59, 61, 139, 161, 413, 427, 973, 1357, 1403, 3197, 3599, 8201, 8479, 9499, 9821, 22379, 25193, 57407, 59353, 82777, 188623, 195017, 500261, 579439, 1320361, 1365119, 3501827, 11506003, 80542021]

約数ペア:

[(1, 80542021), (7, 11506003), (23, 3501827), (59, 1365119), (61, 1320361), (139, 579439), (161, 500261), (413, 195017), (427, 188623), (973, 82777), (1357, 59353), (1403, 57407), (3197, 25193), (3599, 22379), (8201, 9821), (8479, 9499)]