206786657

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{3853}}^1$

素因数の和:3929

約数の個数: 32

約数和(自身を含む): 279707904

約数和(自身を除く): 72921247

約数列:

[1, 7, 11, 17, 41, 77, 119, 187, 287, 451, 697, 1309, 3157, 3853, 4879, 7667, 26971, 42383, 53669, 65501, 157973, 296681, 458507, 720511, 1105811, 1737703, 2685541, 5043577, 12163921, 18798787, 29540951, 206786657]

約数ペア:

[(1, 206786657), (7, 29540951), (11, 18798787), (17, 12163921), (41, 5043577), (77, 2685541), (119, 1737703), (187, 1105811), (287, 720511), (451, 458507), (697, 296681), (1309, 157973), (3157, 65501), (3853, 53669), (4879, 42383), (7667, 26971)]