77897768

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{17419}}^1$

素因数の和:17481

約数の個数: 32

約数和(自身を含む): 160960800

約数和(自身を除く): 83063032

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 17419, 34838, 69676, 139352, 226447, 452894, 749017, 905788, 1498034, 1811576, 2996068, 5992136, 9737221, 19474442, 38948884, 77897768]

約数ペア:

[(1, 77897768), (2, 38948884), (4, 19474442), (8, 9737221), (13, 5992136), (26, 2996068), (43, 1811576), (52, 1498034), (86, 905788), (104, 749017), (172, 452894), (344, 226447), (559, 139352), (1118, 69676), (2236, 34838), (4472, 17419)]