291216198217

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{397}}^2\times {\mathrm{15527}}^1$

素因数の和:16345

約数の個数: 24

約数和(自身を含む): 353308708224

約数和(自身を除く): 62092510007

約数列:

[1, 7, 17, 119, 397, 2779, 6749, 15527, 47243, 108689, 157609, 263959, 1103263, 1847713, 2679353, 6164219, 18755471, 43149533, 104791723, 733542061, 2447194943, 17130364601, 41602314031, 291216198217]

約数ペア:

[(1, 291216198217), (7, 41602314031), (17, 17130364601), (119, 2447194943), (397, 733542061), (2779, 104791723), (6749, 43149533), (15527, 18755471), (47243, 6164219), (108689, 2679353), (157609, 1847713), (263959, 1103263)]