205364369

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1489}}^1$

素因数の和:1593

約数の個数: 32

約数和(自身を含む): 266054400

約数和(自身を除く): 60690031

約数列:

[1, 7, 17, 19, 61, 119, 133, 323, 427, 1037, 1159, 1489, 2261, 7259, 8113, 10423, 19703, 25313, 28291, 90829, 137921, 177191, 198037, 480947, 635803, 1544093, 1725751, 3366629, 10808651, 12080257, 29337767, 205364369]

約数ペア:

[(1, 205364369), (7, 29337767), (17, 12080257), (19, 10808651), (61, 3366629), (119, 1725751), (133, 1544093), (323, 635803), (427, 480947), (1037, 198037), (1159, 177191), (1489, 137921), (2261, 90829), (7259, 28291), (8113, 25313), (10423, 19703)]