201642818

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{19937}}^1$

素因数の和:20341

約数の個数: 16

約数和(自身を含む): 326584440

約数和(自身を除く): 124941622

約数列:

[1, 2, 13, 26, 389, 778, 5057, 10114, 19937, 39874, 259181, 518362, 7755493, 15510986, 100821409, 201642818]

約数ペア:

[(1, 201642818), (2, 100821409), (13, 15510986), (26, 7755493), (389, 518362), (778, 259181), (5057, 39874), (10114, 19937)]