218774738

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{2789}}^1$

素因数の和:3242

約数の個数: 32

約数和(自身を含む): 404974080

約数和(自身を除く): 186199342

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 431, 862, 2789, 3017, 5578, 5603, 6034, 11206, 19523, 36257, 39046, 39221, 72514, 78442, 253799, 507598, 1202059, 2404118, 8414413, 15626767, 16828826, 31253534, 109387369, 218774738]

約数ペア:

[(1, 218774738), (2, 109387369), (7, 31253534), (13, 16828826), (14, 15626767), (26, 8414413), (91, 2404118), (182, 1202059), (431, 507598), (862, 253799), (2789, 78442), (3017, 72514), (5578, 39221), (5603, 39046), (6034, 36257), (11206, 19523)]