1397714689

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{971}}^1$

素因数の和:1213

約数の個数: 32

約数和(自身を含む): 1716940800

約数和(自身を除く): 319226111

約数列:

[1, 7, 19, 79, 133, 137, 553, 959, 971, 1501, 2603, 6797, 10507, 10823, 18221, 18449, 75761, 76709, 129143, 133027, 205637, 536963, 931189, 1439459, 1457471, 2527513, 10202297, 10509133, 17692591, 73563931, 199673527, 1397714689]

約数ペア:

[(1, 1397714689), (7, 199673527), (19, 73563931), (79, 17692591), (133, 10509133), (137, 10202297), (553, 2527513), (959, 1457471), (971, 1439459), (1501, 931189), (2603, 536963), (6797, 205637), (10507, 133027), (10823, 129143), (18221, 76709), (18449, 75761)]