31715047

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:152

約数の個数: 48

約数和(自身を含む): 44271360

約数和(自身を除く): 12556313

約数列:

[1, 7, 13, 17, 19, 83, 91, 119, 133, 169, 221, 247, 323, 581, 1079, 1183, 1411, 1547, 1577, 1729, 2261, 2873, 3211, 4199, 7553, 9877, 11039, 14027, 18343, 20111, 20501, 22477, 26809, 29393, 54587, 98189, 128401, 143507, 187663, 238459, 266513, 348517, 382109, 1669213, 1865591, 2439619, 4530721, 31715047]

約数ペア:

[(1, 31715047), (7, 4530721), (13, 2439619), (17, 1865591), (19, 1669213), (83, 382109), (91, 348517), (119, 266513), (133, 238459), (169, 187663), (221, 143507), (247, 128401), (323, 98189), (581, 54587), (1079, 29393), (1183, 26809), (1411, 22477), (1547, 20501), (1577, 20111), (1729, 18343), (2261, 14027), (2873, 11039), (3211, 9877), (4199, 7553)]