56551999

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{947}}^1$

素因数の和:1422

約数の個数: 16

約数和(自身を含む): 68256000

約数和(自身を除く): 11704001

約数列:

[1, 7, 19, 133, 449, 947, 3143, 6629, 8531, 17993, 59717, 125951, 425203, 2976421, 8078857, 56551999]

約数ペア:

[(1, 56551999), (7, 8078857), (19, 2976421), (133, 425203), (449, 125951), (947, 59717), (3143, 17993), (6629, 8531)]