290017819

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{337}}^1$

素因数の和:564

約数の個数: 32

約数和(自身を含む): 367203200

約数和(自身を除く): 77185381

約数列:

[1, 7, 13, 49, 91, 193, 337, 343, 637, 1351, 2359, 2509, 4381, 4459, 9457, 16513, 17563, 30667, 65041, 66199, 115591, 122941, 214669, 455287, 845533, 860587, 1502683, 3187009, 5918731, 22309063, 41431117, 290017819]

約数ペア:

[(1, 290017819), (7, 41431117), (13, 22309063), (49, 5918731), (91, 3187009), (193, 1502683), (337, 860587), (343, 845533), (637, 455287), (1351, 214669), (2359, 122941), (2509, 115591), (4381, 66199), (4459, 65041), (9457, 30667), (16513, 17563)]