520020858721

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{49177}}^1\times {\mathrm{4007}}^1$

素因数の和:53233

約数の個数: 32

約数和(自身を含む): 662274224640

約数和(自身を除く): 142253365919

約数列:

[1, 7, 13, 29, 91, 203, 377, 2639, 4007, 28049, 49177, 52091, 116203, 344239, 364637, 639301, 813421, 1426133, 1510639, 4475107, 9982931, 10574473, 18539729, 129778103, 197052239, 1379365673, 2561679107, 5714514931, 17931753749, 40001604517, 74288694103, 520020858721]

約数ペア:

[(1, 520020858721), (7, 74288694103), (13, 40001604517), (29, 17931753749), (91, 5714514931), (203, 2561679107), (377, 1379365673), (2639, 197052239), (4007, 129778103), (28049, 18539729), (49177, 10574473), (52091, 9982931), (116203, 4475107), (344239, 1510639), (364637, 1426133), (639301, 813421)]