999906984

素因数分解:

$2^3\times 3^3\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{2531}}^1$

素因数の和:2636

約数の個数: 128

約数和(自身を含む): 2916864000

約数和(自身を除く): 1916957016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 54, 59, 62, 72, 93, 108, 118, 124, 177, 186, 216, 236, 248, 279, 354, 372, 472, 531, 558, 708, 744, 837, 1062, 1116, 1416, 1593, 1674, 1829, 2124, 2232, 2531, 3186, 3348, 3658, 4248, 5062, 5487, 6372, 6696, 7316, 7593, 10124, 10974, 12744, 14632, 15186, 16461, 20248, 21948, 22779, 30372, 32922, 43896, 45558, 49383, 60744, 65844, 68337, 78461, 91116, 98766, 131688, 136674, 149329, 156922, 182232, 197532, 235383, 273348, 298658, 313844, 395064, 447987, 470766, 546696, 597316, 627688, 706149, 895974, 941532, 1194632, 1343961, 1412298, 1791948, 1883064, 2118447, 2687922, 2824596, 3583896, 4031883, 4236894, 4629199, 5375844, 5649192, 8063766, 8473788, 9258398, 10751688, 13887597, 16127532, 16947576, 18516796, 27775194, 32255064, 37033592, 41662791, 55550388, 83325582, 111100776, 124988373, 166651164, 249976746, 333302328, 499953492, 999906984]

約数ペア:

[(1, 999906984), (2, 499953492), (3, 333302328), (4, 249976746), (6, 166651164), (8, 124988373), (9, 111100776), (12, 83325582), (18, 55550388), (24, 41662791), (27, 37033592), (31, 32255064), (36, 27775194), (54, 18516796), (59, 16947576), (62, 16127532), (72, 13887597), (93, 10751688), (108, 9258398), (118, 8473788), (124, 8063766), (177, 5649192), (186, 5375844), (216, 4629199), (236, 4236894), (248, 4031883), (279, 3583896), (354, 2824596), (372, 2687922), (472, 2118447), (531, 1883064), (558, 1791948), (708, 1412298), (744, 1343961), (837, 1194632), (1062, 941532), (1116, 895974), (1416, 706149), (1593, 627688), (1674, 597316), (1829, 546696), (2124, 470766), (2232, 447987), (2531, 395064), (3186, 313844), (3348, 298658), (3658, 273348), (4248, 235383), (5062, 197532), (5487, 182232), (6372, 156922), (6696, 149329), (7316, 136674), (7593, 131688), (10124, 98766), (10974, 91116), (12744, 78461), (14632, 68337), (15186, 65844), (16461, 60744), (20248, 49383), (21948, 45558), (22779, 43896), (30372, 32922)]