219970828

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37589}}^1$

素因数の和:37630

約数の個数: 48

約数和(自身を含む): 505209600

約数和(自身を除く): 285238772

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 418, 532, 836, 1463, 2926, 5852, 37589, 75178, 150356, 263123, 413479, 526246, 714191, 826958, 1052492, 1428382, 1653916, 2856764, 2894353, 4999337, 5788706, 7856101, 9998674, 11577412, 15712202, 19997348, 31424404, 54992707, 109985414, 219970828]

約数ペア:

[(1, 219970828), (2, 109985414), (4, 54992707), (7, 31424404), (11, 19997348), (14, 15712202), (19, 11577412), (22, 9998674), (28, 7856101), (38, 5788706), (44, 4999337), (76, 2894353), (77, 2856764), (133, 1653916), (154, 1428382), (209, 1052492), (266, 826958), (308, 714191), (418, 526246), (532, 413479), (836, 263123), (1463, 150356), (2926, 75178), (5852, 37589)]