221333264

素因数分解:

$2^4\times {\mathrm{439}}^1\times {\mathrm{31511}}^1$

素因数の和:31958

約数の個数: 20

約数和(自身を含む): 429823680

約数和(自身を除く): 208490416

約数列:

[1, 2, 4, 8, 16, 439, 878, 1756, 3512, 7024, 31511, 63022, 126044, 252088, 504176, 13833329, 27666658, 55333316, 110666632, 221333264]

約数ペア:

[(1, 221333264), (2, 110666632), (4, 55333316), (8, 27666658), (16, 13833329), (439, 504176), (878, 252088), (1756, 126044), (3512, 63022), (7024, 31511)]