78654884

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{971}}^1$

素因数の和:1256

約数の個数: 48

約数和(自身を含む): 172440576

約数和(自身を除く): 93785692

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 263, 308, 526, 971, 1052, 1841, 1942, 2893, 3682, 3884, 5786, 6797, 7364, 10681, 11572, 13594, 20251, 21362, 27188, 40502, 42724, 74767, 81004, 149534, 255373, 299068, 510746, 1021492, 1787611, 2809103, 3575222, 5618206, 7150444, 11236412, 19663721, 39327442, 78654884]

約数ペア:

[(1, 78654884), (2, 39327442), (4, 19663721), (7, 11236412), (11, 7150444), (14, 5618206), (22, 3575222), (28, 2809103), (44, 1787611), (77, 1021492), (154, 510746), (263, 299068), (308, 255373), (526, 149534), (971, 81004), (1052, 74767), (1841, 42724), (1942, 40502), (2893, 27188), (3682, 21362), (3884, 20251), (5786, 13594), (6797, 11572), (7364, 10681)]