77428724

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{43}}^2$

素因数の和:157

約数の個数: 54

約数和(自身を含む): 151458930

約数和(自身を除く): 74030206

約数列:

[1, 2, 4, 19, 29, 38, 43, 58, 76, 86, 116, 172, 361, 551, 722, 817, 1102, 1247, 1444, 1634, 1849, 2204, 2494, 3268, 3698, 4988, 7396, 10469, 15523, 20938, 23693, 31046, 35131, 41876, 47386, 53621, 62092, 70262, 94772, 107242, 140524, 214484, 450167, 667489, 900334, 1018799, 1334978, 1800668, 2037598, 2669956, 4075196, 19357181, 38714362, 77428724]

約数ペア:

[(1, 77428724), (2, 38714362), (4, 19357181), (19, 4075196), (29, 2669956), (38, 2037598), (43, 1800668), (58, 1334978), (76, 1018799), (86, 900334), (116, 667489), (172, 450167), (361, 214484), (551, 140524), (722, 107242), (817, 94772), (1102, 70262), (1247, 62092), (1444, 53621), (1634, 47386), (1849, 41876), (2204, 35131), (2494, 31046), (3268, 23693), (3698, 20938), (4988, 15523), (7396, 10469)]