51138269

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{461}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 67060224

約数和(自身を除く): 15921955

約数列:

[1, 7, 13, 23, 53, 91, 161, 299, 371, 461, 689, 1219, 2093, 3227, 4823, 5993, 8533, 10603, 15847, 24433, 41951, 74221, 110929, 137839, 171031, 317629, 561959, 964873, 2223403, 3933713, 7305467, 51138269]

約数ペア:

[(1, 51138269), (7, 7305467), (13, 3933713), (23, 2223403), (53, 964873), (91, 561959), (161, 317629), (299, 171031), (371, 137839), (461, 110929), (689, 74221), (1219, 41951), (2093, 24433), (3227, 15847), (4823, 10603), (5993, 8533)]