78974896

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4931}}^1$

素因数の和:4970

約数の個数: 80

約数和(自身を含む): 205486848

約数和(自身を除く): 126511952

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 286, 308, 364, 572, 616, 728, 1001, 1144, 1232, 1456, 2002, 2288, 4004, 4931, 8008, 9862, 16016, 19724, 34517, 39448, 54241, 64103, 69034, 78896, 108482, 128206, 138068, 216964, 256412, 276136, 379687, 433928, 448721, 512824, 552272, 705133, 759374, 867856, 897442, 1025648, 1410266, 1518748, 1794884, 2820532, 3037496, 3589768, 4935931, 5641064, 6074992, 7179536, 9871862, 11282128, 19743724, 39487448, 78974896]

約数ペア:

[(1, 78974896), (2, 39487448), (4, 19743724), (7, 11282128), (8, 9871862), (11, 7179536), (13, 6074992), (14, 5641064), (16, 4935931), (22, 3589768), (26, 3037496), (28, 2820532), (44, 1794884), (52, 1518748), (56, 1410266), (77, 1025648), (88, 897442), (91, 867856), (104, 759374), (112, 705133), (143, 552272), (154, 512824), (176, 448721), (182, 433928), (208, 379687), (286, 276136), (308, 256412), (364, 216964), (572, 138068), (616, 128206), (728, 108482), (1001, 78896), (1144, 69034), (1232, 64103), (1456, 54241), (2002, 39448), (2288, 34517), (4004, 19724), (4931, 16016), (8008, 9862)]