405668846

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1\times {\mathrm{457}}^1$

素因数の和:884

約数の個数: 32

約数和(自身を含む): 672116832

約数和(自身を除く): 266447986

約数列:

[1, 2, 11, 22, 157, 257, 314, 457, 514, 914, 1727, 2827, 3454, 5027, 5654, 10054, 40349, 71749, 80698, 117449, 143498, 234898, 443839, 789239, 887678, 1291939, 1578478, 2583878, 18439493, 36878986, 202834423, 405668846]

約数ペア:

[(1, 405668846), (2, 202834423), (11, 36878986), (22, 18439493), (157, 2583878), (257, 1578478), (314, 1291939), (457, 887678), (514, 789239), (914, 443839), (1727, 234898), (2827, 143498), (3454, 117449), (5027, 80698), (5654, 71749), (10054, 40349)]