81561426265

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{809}}^1\times {\mathrm{907}}^1$

素因数の和:1822

約数の個数: 64

約数和(自身を含む): 111840030720

約数和(自身を除く): 30278604455

約数列:

[1, 5, 11, 43, 47, 55, 215, 235, 473, 517, 809, 907, 2021, 2365, 2585, 4045, 4535, 8899, 9977, 10105, 22231, 34787, 38023, 39001, 42629, 44495, 49885, 111155, 173935, 190115, 195005, 213145, 382657, 418253, 429011, 468919, 733763, 1634989, 1833047, 1913285, 2091265, 2145055, 2344595, 3668815, 8071393, 8174945, 9165235, 17984879, 20163517, 31551809, 34486861, 40356965, 89924395, 100817585, 157759045, 172434305, 347069899, 379355471, 1482935023, 1735349495, 1896777355, 7414675115, 16312285253, 81561426265]

約数ペア:

[(1, 81561426265), (5, 16312285253), (11, 7414675115), (43, 1896777355), (47, 1735349495), (55, 1482935023), (215, 379355471), (235, 347069899), (473, 172434305), (517, 157759045), (809, 100817585), (907, 89924395), (2021, 40356965), (2365, 34486861), (2585, 31551809), (4045, 20163517), (4535, 17984879), (8899, 9165235), (9977, 8174945), (10105, 8071393), (22231, 3668815), (34787, 2344595), (38023, 2145055), (39001, 2091265), (42629, 1913285), (44495, 1833047), (49885, 1634989), (111155, 733763), (173935, 468919), (190115, 429011), (195005, 418253), (213145, 382657)]