89721496

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{661}}^1$

素因数の和:752

約数の個数: 48

約数和(自身を含む): 181599840

約数和(自身を除く): 91878344

約数列:

[1, 2, 4, 8, 19, 38, 47, 76, 94, 152, 188, 361, 376, 661, 722, 893, 1322, 1444, 1786, 2644, 2888, 3572, 5288, 7144, 12559, 16967, 25118, 31067, 33934, 50236, 62134, 67868, 100472, 124268, 135736, 238621, 248536, 477242, 590273, 954484, 1180546, 1908968, 2361092, 4722184, 11215187, 22430374, 44860748, 89721496]

約数ペア:

[(1, 89721496), (2, 44860748), (4, 22430374), (8, 11215187), (19, 4722184), (38, 2361092), (47, 1908968), (76, 1180546), (94, 954484), (152, 590273), (188, 477242), (361, 248536), (376, 238621), (661, 135736), (722, 124268), (893, 100472), (1322, 67868), (1444, 62134), (1786, 50236), (2644, 33934), (2888, 31067), (3572, 25118), (5288, 16967), (7144, 12559)]