643144906

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1\times {\mathrm{31139}}^1$

素因数の和:31613

約数の個数: 16

約数和(自身を含む): 1008936000

約数和(自身を除く): 365791094

約数列:

[1, 2, 23, 46, 449, 898, 10327, 20654, 31139, 62278, 716197, 1432394, 13981411, 27962822, 321572453, 643144906]

約数ペア:

[(1, 643144906), (2, 321572453), (23, 27962822), (46, 13981411), (449, 1432394), (898, 716197), (10327, 62278), (20654, 31139)]