2155854323

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{31721}}^1$

素因数の和:31827

約数の個数: 24

約数和(自身を含む): 2676067920

約数和(自身を除く): 520213597

約数列:

[1, 7, 19, 49, 73, 133, 511, 931, 1387, 3577, 9709, 31721, 67963, 222047, 602699, 1554329, 2315633, 4218893, 16209431, 29532251, 43997027, 113466017, 307979189, 2155854323]

約数ペア:

[(1, 2155854323), (7, 307979189), (19, 113466017), (49, 43997027), (73, 29532251), (133, 16209431), (511, 4218893), (931, 2315633), (1387, 1554329), (3577, 602699), (9709, 222047), (31721, 67963)]