81865766

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{6359}}^1$

素因数の和:6559

約数の個数: 16

約数和(自身を含む): 126614880

約数和(自身を除く): 44749114

約数列:

[1, 2, 41, 82, 157, 314, 6359, 6437, 12718, 12874, 260719, 521438, 998363, 1996726, 40932883, 81865766]

約数ペア:

[(1, 81865766), (2, 40932883), (41, 1996726), (82, 998363), (157, 521438), (314, 260719), (6359, 12874), (6437, 12718)]