221556

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:543

約数の個数: 24

約数和(自身を含む): 532000

約数和(自身を除く): 310444

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 222, 444, 499, 998, 1497, 1996, 2994, 5988, 18463, 36926, 55389, 73852, 110778, 221556]

約数ペア:

[(1, 221556), (2, 110778), (3, 73852), (4, 55389), (6, 36926), (12, 18463), (37, 5988), (74, 2994), (111, 1996), (148, 1497), (222, 998), (444, 499)]