8991547775

素因数分解:

$5^2\times 7^3\times {\mathrm{17}}^1\times {\mathrm{61681}}^1$

素因数の和:61729

約数の個数: 48

約数和(自身を含む): 13767422400

約数和(自身を除く): 4775874625

約数列:

[1, 5, 7, 17, 25, 35, 49, 85, 119, 175, 245, 343, 425, 595, 833, 1225, 1715, 2975, 4165, 5831, 8575, 20825, 29155, 61681, 145775, 308405, 431767, 1048577, 1542025, 2158835, 3022369, 5242885, 7340039, 10794175, 15111845, 21156583, 26214425, 36700195, 51380273, 75559225, 105782915, 183500975, 256901365, 359661911, 528914575, 1284506825, 1798309555, 8991547775]

約数ペア:

[(1, 8991547775), (5, 1798309555), (7, 1284506825), (17, 528914575), (25, 359661911), (35, 256901365), (49, 183500975), (85, 105782915), (119, 75559225), (175, 51380273), (245, 36700195), (343, 26214425), (425, 21156583), (595, 15111845), (833, 10794175), (1225, 7340039), (1715, 5242885), (2975, 3022369), (4165, 2158835), (5831, 1542025), (8575, 1048577), (20825, 431767), (29155, 308405), (61681, 145775)]