77897990

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{739}}^1$

素因数の和:956

約数の個数: 32

約数和(自身を含む): 143216640

約数和(自身を除く): 65318650

約数列:

[1, 2, 5, 10, 83, 127, 166, 254, 415, 635, 739, 830, 1270, 1478, 3695, 7390, 10541, 21082, 52705, 61337, 93853, 105410, 122674, 187706, 306685, 469265, 613370, 938530, 7789799, 15579598, 38948995, 77897990]

約数ペア:

[(1, 77897990), (2, 38948995), (5, 15579598), (10, 7789799), (83, 938530), (127, 613370), (166, 469265), (254, 306685), (415, 187706), (635, 122674), (739, 105410), (830, 93853), (1270, 61337), (1478, 52705), (3695, 21082), (7390, 10541)]