218090495

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{1321}}^1$

素因数の和:1475

約数の個数: 32

約数和(自身を含む): 308396160

約数和(自身を除く): 90305665

約数列:

[1, 5, 7, 35, 53, 89, 265, 371, 445, 623, 1321, 1855, 3115, 4717, 6605, 9247, 23585, 33019, 46235, 70013, 117569, 165095, 350065, 490091, 587845, 822983, 2450455, 4114915, 6231157, 31155785, 43618099, 218090495]

約数ペア:

[(1, 218090495), (5, 43618099), (7, 31155785), (35, 6231157), (53, 4114915), (89, 2450455), (265, 822983), (371, 587845), (445, 490091), (623, 350065), (1321, 165095), (1855, 117569), (3115, 70013), (4717, 46235), (6605, 33019), (9247, 23585)]