131243336

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:259

約数の個数: 128

約数和(自身を含む): 320716800

約数和(自身を除く): 189473464

約数列:

[1, 2, 4, 7, 8, 14, 19, 23, 28, 31, 38, 46, 56, 62, 76, 92, 124, 133, 152, 161, 173, 184, 217, 248, 266, 322, 346, 434, 437, 532, 589, 644, 692, 713, 868, 874, 1064, 1178, 1211, 1288, 1384, 1426, 1736, 1748, 2356, 2422, 2852, 3059, 3287, 3496, 3979, 4123, 4712, 4844, 4991, 5363, 5704, 6118, 6574, 7958, 8246, 9688, 9982, 10726, 12236, 13148, 13547, 15916, 16492, 19964, 21452, 23009, 24472, 26296, 27094, 27853, 31832, 32984, 37541, 39928, 42904, 46018, 54188, 55706, 75082, 75601, 92036, 94829, 101897, 108376, 111412, 123349, 150164, 151202, 184072, 189658, 203794, 222824, 246698, 300328, 302404, 379316, 407588, 493396, 529207, 604808, 713279, 758632, 815176, 863443, 986792, 1058414, 1426558, 1726886, 2116828, 2343631, 2853116, 3453772, 4233656, 4687262, 5706232, 6907544, 9374524, 16405417, 18749048, 32810834, 65621668, 131243336]

約数ペア:

[(1, 131243336), (2, 65621668), (4, 32810834), (7, 18749048), (8, 16405417), (14, 9374524), (19, 6907544), (23, 5706232), (28, 4687262), (31, 4233656), (38, 3453772), (46, 2853116), (56, 2343631), (62, 2116828), (76, 1726886), (92, 1426558), (124, 1058414), (133, 986792), (152, 863443), (161, 815176), (173, 758632), (184, 713279), (217, 604808), (248, 529207), (266, 493396), (322, 407588), (346, 379316), (434, 302404), (437, 300328), (532, 246698), (589, 222824), (644, 203794), (692, 189658), (713, 184072), (868, 151202), (874, 150164), (1064, 123349), (1178, 111412), (1211, 108376), (1288, 101897), (1384, 94829), (1426, 92036), (1736, 75601), (1748, 75082), (2356, 55706), (2422, 54188), (2852, 46018), (3059, 42904), (3287, 39928), (3496, 37541), (3979, 32984), (4123, 31832), (4712, 27853), (4844, 27094), (4991, 26296), (5363, 24472), (5704, 23009), (6118, 21452), (6574, 19964), (7958, 16492), (8246, 15916), (9688, 13547), (9982, 13148), (10726, 12236)]