81521328

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{733}}^1$

素因数の和:1082

約数の個数: 80

約数和(自身を含む): 241738496

約数和(自身を除く): 160217168

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 331, 336, 662, 733, 993, 1324, 1466, 1986, 2199, 2317, 2648, 2932, 3972, 4398, 4634, 5131, 5296, 5864, 6951, 7944, 8796, 9268, 10262, 11728, 13902, 15393, 15888, 17592, 18536, 20524, 27804, 30786, 35184, 37072, 41048, 55608, 61572, 82096, 111216, 123144, 242623, 246288, 485246, 727869, 970492, 1455738, 1698361, 1940984, 2911476, 3396722, 3881968, 5095083, 5822952, 6793444, 10190166, 11645904, 13586888, 20380332, 27173776, 40760664, 81521328]

約数ペア:

[(1, 81521328), (2, 40760664), (3, 27173776), (4, 20380332), (6, 13586888), (7, 11645904), (8, 10190166), (12, 6793444), (14, 5822952), (16, 5095083), (21, 3881968), (24, 3396722), (28, 2911476), (42, 1940984), (48, 1698361), (56, 1455738), (84, 970492), (112, 727869), (168, 485246), (331, 246288), (336, 242623), (662, 123144), (733, 111216), (993, 82096), (1324, 61572), (1466, 55608), (1986, 41048), (2199, 37072), (2317, 35184), (2648, 30786), (2932, 27804), (3972, 20524), (4398, 18536), (4634, 17592), (5131, 15888), (5296, 15393), (5864, 13902), (6951, 11728), (7944, 10262), (8796, 9268)]