155889488

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{43691}}^1$

素因数の和:43922

約数の個数: 20

約数和(自身を含む): 303397248

約数和(自身を除く): 147507760

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 43691, 87382, 174764, 349528, 699056, 9743093, 19486186, 38972372, 77944744, 155889488]

約数ペア:

[(1, 155889488), (2, 77944744), (4, 38972372), (8, 19486186), (16, 9743093), (223, 699056), (446, 349528), (892, 174764), (1784, 87382), (3568, 43691)]