7978861

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:153

約数の個数: 24

約数和(自身を含む): 9499392

約数和(自身を除く): 1520531

約数列:

[1, 11, 23, 47, 61, 121, 253, 517, 671, 1081, 1403, 2783, 2867, 5687, 7381, 11891, 15433, 31537, 65941, 130801, 169763, 346907, 725351, 7978861]

約数ペア:

[(1, 7978861), (11, 725351), (23, 346907), (47, 169763), (61, 130801), (121, 65941), (253, 31537), (517, 15433), (671, 11891), (1081, 7381), (1403, 5687), (2783, 2867)]