81789712

素因数分解:

$2^4\times {\mathrm{307}}^1\times {\mathrm{16651}}^1$

素因数の和:16966

約数の個数: 20

約数和(自身を含む): 158993296

約数和(自身を除く): 77203584

約数列:

[1, 2, 4, 8, 16, 307, 614, 1228, 2456, 4912, 16651, 33302, 66604, 133208, 266416, 5111857, 10223714, 20447428, 40894856, 81789712]

約数ペア:

[(1, 81789712), (2, 40894856), (4, 20447428), (8, 10223714), (16, 5111857), (307, 266416), (614, 133208), (1228, 66604), (2456, 33302), (4912, 16651)]