201388999

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{241}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 249666560

約数和(自身を除く): 48277561

約数列:

[1, 7, 19, 61, 103, 133, 241, 427, 721, 1159, 1687, 1957, 4579, 6283, 8113, 13699, 14701, 24823, 32053, 43981, 102907, 119377, 173761, 279319, 471637, 835639, 1514203, 1955233, 3301459, 10599421, 28769857, 201388999]

約数ペア:

[(1, 201388999), (7, 28769857), (19, 10599421), (61, 3301459), (103, 1955233), (133, 1514203), (241, 835639), (427, 471637), (721, 279319), (1159, 173761), (1687, 119377), (1957, 102907), (4579, 43981), (6283, 32053), (8113, 24823), (13699, 14701)]