81988514

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{61}}^2\times {\mathrm{479}}^1$

素因数の和:626

約数の個数: 24

約数和(自身を含む): 130740480

約数和(自身を除く): 48751966

約数列:

[1, 2, 23, 46, 61, 122, 479, 958, 1403, 2806, 3721, 7442, 11017, 22034, 29219, 58438, 85583, 171166, 672037, 1344074, 1782359, 3564718, 40994257, 81988514]

約数ペア:

[(1, 81988514), (2, 40994257), (23, 3564718), (46, 1782359), (61, 1344074), (122, 672037), (479, 171166), (958, 85583), (1403, 58438), (2806, 29219), (3721, 22034), (7442, 11017)]