221828144

素因数分解:

$2^4\times {\mathrm{281}}^1\times {\mathrm{49339}}^1$

素因数の和:49628

約数の個数: 20

約数和(自身を含む): 431330280

約数和(自身を除く): 209502136

約数列:

[1, 2, 4, 8, 16, 281, 562, 1124, 2248, 4496, 49339, 98678, 197356, 394712, 789424, 13864259, 27728518, 55457036, 110914072, 221828144]

約数ペア:

[(1, 221828144), (2, 110914072), (4, 55457036), (8, 27728518), (16, 13864259), (281, 789424), (562, 394712), (1124, 197356), (2248, 98678), (4496, 49339)]