126221305

素因数分解:

$5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{16619}}^1$

素因数の和:16669

約数の個数: 24

約数和(自身を含む): 181889280

約数和(自身を除く): 55667975

約数列:

[1, 5, 7, 31, 35, 49, 155, 217, 245, 1085, 1519, 7595, 16619, 83095, 116333, 515189, 581665, 814331, 2575945, 3606323, 4071655, 18031615, 25244261, 126221305]

約数ペア:

[(1, 126221305), (5, 25244261), (7, 18031615), (31, 4071655), (35, 3606323), (49, 2575945), (155, 814331), (217, 581665), (245, 515189), (1085, 116333), (1519, 83095), (7595, 16619)]