1998804731

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1151}}^1\times {\mathrm{1187}}^1$

素因数の和:2375

約数の個数: 32

約数和(自身を含む): 2627665920

約数和(自身を除く): 628861189

約数列:

[1, 7, 11, 19, 77, 133, 209, 1151, 1187, 1463, 8057, 8309, 12661, 13057, 21869, 22553, 88627, 91399, 153083, 157871, 240559, 248083, 1366237, 1683913, 1736581, 9563659, 15028607, 25958503, 105200249, 181709521, 285543533, 1998804731]

約数ペア:

[(1, 1998804731), (7, 285543533), (11, 181709521), (19, 105200249), (77, 25958503), (133, 15028607), (209, 9563659), (1151, 1736581), (1187, 1683913), (1463, 1366237), (8057, 248083), (8309, 240559), (12661, 157871), (13057, 153083), (21869, 91399), (22553, 88627)]