834947408

素因数分解:

$2^4\times {\mathrm{421}}^1\times {\mathrm{123953}}^1$

素因数の和:124382

約数の個数: 20

約数和(自身を含む): 1621566228

約数和(自身を除く): 786618820

約数列:

[1, 2, 4, 8, 16, 421, 842, 1684, 3368, 6736, 123953, 247906, 495812, 991624, 1983248, 52184213, 104368426, 208736852, 417473704, 834947408]

約数ペア:

[(1, 834947408), (2, 417473704), (4, 208736852), (8, 104368426), (16, 52184213), (421, 1983248), (842, 991624), (1684, 495812), (3368, 247906), (6736, 123953)]