249969399

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{317}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 353310720

約数和(自身を除く): 103341321

約数列:

[1, 3, 31, 61, 93, 139, 183, 317, 417, 951, 1891, 4309, 5673, 8479, 9827, 12927, 19337, 25437, 29481, 44063, 58011, 132189, 262849, 599447, 788547, 1365953, 1798341, 2687843, 4097859, 8063529, 83323133, 249969399]

約数ペア:

[(1, 249969399), (3, 83323133), (31, 8063529), (61, 4097859), (93, 2687843), (139, 1798341), (183, 1365953), (317, 788547), (417, 599447), (951, 262849), (1891, 132189), (4309, 58011), (5673, 44063), (8479, 29481), (9827, 25437), (12927, 19337)]