2621167408

素因数分解:

$2^4\times {\mathrm{263}}^1\times {\mathrm{622901}}^1$

素因数の和:623172

約数の個数: 20

約数和(自身を含む): 5097829968

約数和(自身を除く): 2476662560

約数列:

[1, 2, 4, 8, 16, 263, 526, 1052, 2104, 4208, 622901, 1245802, 2491604, 4983208, 9966416, 163822963, 327645926, 655291852, 1310583704, 2621167408]

約数ペア:

[(1, 2621167408), (2, 1310583704), (4, 655291852), (8, 327645926), (16, 163822963), (263, 9966416), (526, 4983208), (1052, 2491604), (2104, 1245802), (4208, 622901)]