161749264

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{246569}}^1$

素因数の和:246618

約数の個数: 20

約数和(自身を含む): 321034140

約数和(自身を除く): 159284876

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 246569, 493138, 986276, 1972552, 3945104, 10109329, 20218658, 40437316, 80874632, 161749264]

約数ペア:

[(1, 161749264), (2, 80874632), (4, 40437316), (8, 20218658), (16, 10109329), (41, 3945104), (82, 1972552), (164, 986276), (328, 493138), (656, 246569)]