280989666

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{678719}}^1$

素因数の和:678750

約数の個数: 24

約数和(自身を含む): 635281920

約数和(自身を除く): 354292254

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 678719, 1357438, 2036157, 4072314, 6108471, 12216942, 15610537, 31221074, 46831611, 93663222, 140494833, 280989666]

約数ペア:

[(1, 280989666), (2, 140494833), (3, 93663222), (6, 46831611), (9, 31221074), (18, 15610537), (23, 12216942), (46, 6108471), (69, 4072314), (138, 2036157), (207, 1357438), (414, 678719)]