248434557

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 413952000

約数和(自身を除く): 165517443

約数列:

[1, 3, 7, 19, 21, 49, 57, 97, 131, 133, 147, 291, 343, 393, 399, 679, 917, 931, 1029, 1843, 2037, 2489, 2751, 2793, 4753, 5529, 6419, 6517, 7467, 12707, 12901, 14259, 17423, 19257, 19551, 33271, 38121, 38703, 44933, 52269, 88949, 90307, 99813, 121961, 134799, 241433, 266847, 270921, 365883, 622643, 632149, 724299, 853727, 1690031, 1867929, 1896447, 2561181, 4358501, 5070093, 11830217, 13075503, 35490651, 82811519, 248434557]

約数ペア:

[(1, 248434557), (3, 82811519), (7, 35490651), (19, 13075503), (21, 11830217), (49, 5070093), (57, 4358501), (97, 2561181), (131, 1896447), (133, 1867929), (147, 1690031), (291, 853727), (343, 724299), (393, 632149), (399, 622643), (679, 365883), (917, 270921), (931, 266847), (1029, 241433), (1843, 134799), (2037, 121961), (2489, 99813), (2751, 90307), (2793, 88949), (4753, 52269), (5529, 44933), (6419, 38703), (6517, 38121), (7467, 33271), (12707, 19551), (12901, 19257), (14259, 17423)]