22978991

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:303

約数の個数: 24

約数和(自身を含む): 28098720

約数和(自身を除く): 5119729

約数列:

[1, 7, 29, 49, 103, 157, 203, 721, 1099, 1421, 2987, 4553, 5047, 7693, 16171, 20909, 31871, 113197, 146363, 223097, 468959, 792379, 3282713, 22978991]

約数ペア:

[(1, 22978991), (7, 3282713), (29, 792379), (49, 468959), (103, 223097), (157, 146363), (203, 113197), (721, 31871), (1099, 20909), (1421, 16171), (2987, 7693), (4553, 5047)]