248778888

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{1759}}^1$

素因数の和:1922

約数の個数: 64

約数和(自身を含む): 638668800

約数和(自身を除く): 389889912

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 83, 142, 166, 213, 249, 284, 332, 426, 498, 568, 664, 852, 996, 1704, 1759, 1992, 3518, 5277, 5893, 7036, 10554, 11786, 14072, 17679, 21108, 23572, 35358, 42216, 47144, 70716, 124889, 141432, 145997, 249778, 291994, 374667, 437991, 499556, 583988, 749334, 875982, 999112, 1167976, 1498668, 1751964, 2997336, 3503928, 10365787, 20731574, 31097361, 41463148, 62194722, 82926296, 124389444, 248778888]

約数ペア:

[(1, 248778888), (2, 124389444), (3, 82926296), (4, 62194722), (6, 41463148), (8, 31097361), (12, 20731574), (24, 10365787), (71, 3503928), (83, 2997336), (142, 1751964), (166, 1498668), (213, 1167976), (249, 999112), (284, 875982), (332, 749334), (426, 583988), (498, 499556), (568, 437991), (664, 374667), (852, 291994), (996, 249778), (1704, 145997), (1759, 141432), (1992, 124889), (3518, 70716), (5277, 47144), (5893, 42216), (7036, 35358), (10554, 23572), (11786, 21108), (14072, 17679)]