1261066499

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{6481}}^1$

素因数の和:6544

約数の個数: 36

約数和(自身を含む): 1689235128

約数和(自身を除く): 428168629

約数列:

[1, 7, 11, 19, 49, 77, 133, 209, 361, 539, 931, 1463, 2527, 3971, 6481, 10241, 17689, 27797, 45367, 71291, 123139, 194579, 317569, 499037, 861973, 1354529, 2339641, 3493259, 6033811, 9481703, 16377487, 25736051, 66371921, 114642409, 180152357, 1261066499]

約数ペア:

[(1, 1261066499), (7, 180152357), (11, 114642409), (19, 66371921), (49, 25736051), (77, 16377487), (133, 9481703), (209, 6033811), (361, 3493259), (539, 2339641), (931, 1354529), (1463, 861973), (2527, 499037), (3971, 317569), (6481, 194579), (10241, 123139), (17689, 71291), (27797, 45367)]