981569288

素因数分解:

$2^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1\times {\mathrm{947}}^1$

素因数の和:1266

約数の個数: 64

約数和(自身を含む): 2140508160

約数和(自身を除く): 1158938872

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 83, 166, 223, 332, 446, 581, 664, 892, 947, 1162, 1561, 1784, 1894, 2324, 3122, 3788, 4648, 6244, 6629, 7576, 12488, 13258, 18509, 26516, 37018, 53032, 74036, 78601, 129563, 148072, 157202, 211181, 259126, 314404, 422362, 518252, 550207, 628808, 844724, 1036504, 1100414, 1478267, 1689448, 2200828, 2956534, 4401656, 5913068, 11826136, 17528023, 35056046, 70112092, 122696161, 140224184, 245392322, 490784644, 981569288]

約数ペア:

[(1, 981569288), (2, 490784644), (4, 245392322), (7, 140224184), (8, 122696161), (14, 70112092), (28, 35056046), (56, 17528023), (83, 11826136), (166, 5913068), (223, 4401656), (332, 2956534), (446, 2200828), (581, 1689448), (664, 1478267), (892, 1100414), (947, 1036504), (1162, 844724), (1561, 628808), (1784, 550207), (1894, 518252), (2324, 422362), (3122, 314404), (3788, 259126), (4648, 211181), (6244, 157202), (6629, 148072), (7576, 129563), (12488, 78601), (13258, 74036), (18509, 53032), (26516, 37018)]