221605144

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{644201}}^1$

素因数の和:644250

約数の個数: 16

約数和(自身を含む): 425173320

約数和(自身を除く): 203568176

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 644201, 1288402, 2576804, 5153608, 27700643, 55401286, 110802572, 221605144]

約数ペア:

[(1, 221605144), (2, 110802572), (4, 55401286), (8, 27700643), (43, 5153608), (86, 2576804), (172, 1288402), (344, 644201)]