721868938

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{117991}}^1$

素因数の和:118042

約数の個数: 32

約数和(自身を含む): 1359267840

約数和(自身を除く): 637398902

約数列:

[1, 2, 7, 14, 19, 23, 38, 46, 133, 161, 266, 322, 437, 874, 3059, 6118, 117991, 235982, 825937, 1651874, 2241829, 2713793, 4483658, 5427586, 15692803, 18996551, 31385606, 37993102, 51562067, 103124134, 360934469, 721868938]

約数ペア:

[(1, 721868938), (2, 360934469), (7, 103124134), (14, 51562067), (19, 37993102), (23, 31385606), (38, 18996551), (46, 15692803), (133, 5427586), (161, 4483658), (266, 2713793), (322, 2241829), (437, 1651874), (874, 825937), (3059, 235982), (6118, 117991)]