13638977

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:149

約数の個数: 32

約数和(自身を含む): 16809984

約数和(自身を除く): 3171007

約数列:

[1, 11, 23, 31, 37, 47, 253, 341, 407, 517, 713, 851, 1081, 1147, 1457, 1739, 7843, 9361, 11891, 12617, 16027, 19129, 26381, 33511, 39997, 53909, 290191, 368621, 439967, 592999, 1239907, 13638977]

約数ペア:

[(1, 13638977), (11, 1239907), (23, 592999), (31, 439967), (37, 368621), (47, 290191), (253, 53909), (341, 39997), (407, 33511), (517, 26381), (713, 19129), (851, 16027), (1081, 12617), (1147, 11891), (1457, 9361), (1739, 7843)]