55200509

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{449}}^1$

素因数の和:669

約数の個数: 24

約数和(自身を含む): 69665400

約数和(自身を除く): 14464891

約数列:

[1, 7, 13, 49, 91, 193, 449, 637, 1351, 2509, 3143, 5837, 9457, 17563, 22001, 40859, 86657, 122941, 286013, 606599, 1126541, 4246193, 7885787, 55200509]

約数ペア:

[(1, 55200509), (7, 7885787), (13, 4246193), (49, 1126541), (91, 606599), (193, 286013), (449, 122941), (637, 86657), (1351, 40859), (2509, 22001), (3143, 17563), (5837, 9457)]