13997851

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:235

約数の個数: 32

約数和(自身を含む): 18385920

約数和(自身を除く): 4388069

約数列:

[1, 7, 17, 19, 41, 119, 133, 151, 287, 323, 697, 779, 1057, 2261, 2567, 2869, 4879, 5453, 6191, 13243, 17969, 20083, 43337, 48773, 92701, 105247, 117629, 341411, 736729, 823403, 1999693, 13997851]

約数ペア:

[(1, 13997851), (7, 1999693), (17, 823403), (19, 736729), (41, 341411), (119, 117629), (133, 105247), (151, 92701), (287, 48773), (323, 43337), (697, 20083), (779, 17969), (1057, 13243), (2261, 6191), (2567, 5453), (2869, 4879)]