981854568

素因数分解:

$2^3\times 3^3\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{443}}^1$

素因数の和:820

約数の個数: 128

約数和(自身を含む): 2830233600

約数和(自身を除く): 1848379032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 54, 62, 72, 93, 108, 124, 186, 216, 248, 279, 331, 372, 443, 558, 662, 744, 837, 886, 993, 1116, 1324, 1329, 1674, 1772, 1986, 2232, 2648, 2658, 2979, 3348, 3544, 3972, 3987, 5316, 5958, 6696, 7944, 7974, 8937, 10261, 10632, 11916, 11961, 13733, 15948, 17874, 20522, 23832, 23922, 27466, 30783, 31896, 35748, 41044, 41199, 47844, 54932, 61566, 71496, 82088, 82398, 92349, 95688, 109864, 123132, 123597, 146633, 164796, 184698, 246264, 247194, 277047, 293266, 329592, 369396, 370791, 439899, 494388, 554094, 586532, 738792, 741582, 879798, 988776, 1108188, 1173064, 1319697, 1483164, 1759596, 2216376, 2639394, 2966328, 3519192, 3959091, 4545623, 5278788, 7918182, 9091246, 10557576, 13636869, 15836364, 18182492, 27273738, 31672728, 36364984, 40910607, 54547476, 81821214, 109094952, 122731821, 163642428, 245463642, 327284856, 490927284, 981854568]

約数ペア:

[(1, 981854568), (2, 490927284), (3, 327284856), (4, 245463642), (6, 163642428), (8, 122731821), (9, 109094952), (12, 81821214), (18, 54547476), (24, 40910607), (27, 36364984), (31, 31672728), (36, 27273738), (54, 18182492), (62, 15836364), (72, 13636869), (93, 10557576), (108, 9091246), (124, 7918182), (186, 5278788), (216, 4545623), (248, 3959091), (279, 3519192), (331, 2966328), (372, 2639394), (443, 2216376), (558, 1759596), (662, 1483164), (744, 1319697), (837, 1173064), (886, 1108188), (993, 988776), (1116, 879798), (1324, 741582), (1329, 738792), (1674, 586532), (1772, 554094), (1986, 494388), (2232, 439899), (2648, 370791), (2658, 369396), (2979, 329592), (3348, 293266), (3544, 277047), (3972, 247194), (3987, 246264), (5316, 184698), (5958, 164796), (6696, 146633), (7944, 123597), (7974, 123132), (8937, 109864), (10261, 95688), (10632, 92349), (11916, 82398), (11961, 82088), (13733, 71496), (15948, 61566), (17874, 54932), (20522, 47844), (23832, 41199), (23922, 41044), (27466, 35748), (30783, 31896)]