2021878657477

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{10021157}}^1$

素因数の和:10021261

約数の個数: 32

約数和(自身を含む): 2559002906880

約数和(自身を除く): 537124249403

約数列:

[1, 7, 19, 37, 41, 133, 259, 287, 703, 779, 1517, 4921, 5453, 10619, 28823, 201761, 10021157, 70148099, 190401983, 370782809, 410867437, 1332813881, 2595479663, 2876072059, 7044873371, 7806481303, 15202095169, 49314113597, 54645369121, 106414666183, 288839808211, 2021878657477]

約数ペア:

[(1, 2021878657477), (7, 288839808211), (19, 106414666183), (37, 54645369121), (41, 49314113597), (133, 15202095169), (259, 7806481303), (287, 7044873371), (703, 2876072059), (779, 2595479663), (1517, 1332813881), (4921, 410867437), (5453, 370782809), (10619, 190401983), (28823, 70148099), (201761, 10021157)]