51303785

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 68490240

約数和(自身を除く): 17186455

約数列:

[1, 5, 13, 65, 79, 97, 103, 395, 485, 515, 1027, 1261, 1339, 5135, 6305, 6695, 7663, 8137, 9991, 38315, 40685, 49955, 99619, 105781, 129883, 498095, 528905, 649415, 789289, 3946445, 10260757, 51303785]

約数ペア:

[(1, 51303785), (5, 10260757), (13, 3946445), (65, 789289), (79, 649415), (97, 528905), (103, 498095), (395, 129883), (485, 105781), (515, 99619), (1027, 49955), (1261, 40685), (1339, 38315), (5135, 9991), (6305, 8137), (6695, 7663)]