31490914

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2437}}^1$

素因数の和:2530

約数の個数: 32

約数和(自身を含む): 58980096

約数和(自身を除く): 27489182

約数列:

[1, 2, 7, 13, 14, 26, 71, 91, 142, 182, 497, 923, 994, 1846, 2437, 4874, 6461, 12922, 17059, 31681, 34118, 63362, 173027, 221767, 346054, 443534, 1211189, 2249351, 2422378, 4498702, 15745457, 31490914]

約数ペア:

[(1, 31490914), (2, 15745457), (7, 4498702), (13, 2422378), (14, 2249351), (26, 1211189), (71, 443534), (91, 346054), (142, 221767), (182, 173027), (497, 63362), (923, 34118), (994, 31681), (1846, 17059), (2437, 12922), (4874, 6461)]