638366976

素因数分解:

$2^8\times 3^2\times {\mathrm{13}}^1\times {\mathrm{21313}}^1$

素因数の和:21348

約数の個数: 108

約数和(自身を含む): 1982244628

約数和(自身を除く): 1343877652

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 128, 144, 156, 192, 208, 234, 256, 288, 312, 384, 416, 468, 576, 624, 768, 832, 936, 1152, 1248, 1664, 1872, 2304, 2496, 3328, 3744, 4992, 7488, 9984, 14976, 21313, 29952, 42626, 63939, 85252, 127878, 170504, 191817, 255756, 277069, 341008, 383634, 511512, 554138, 682016, 767268, 831207, 1023024, 1108276, 1364032, 1534536, 1662414, 2046048, 2216552, 2493621, 2728064, 3069072, 3324828, 4092096, 4433104, 4987242, 5456128, 6138144, 6649656, 8184192, 8866208, 9974484, 12276288, 13299312, 16368384, 17732416, 19948968, 24552576, 26598624, 35464832, 39897936, 49105152, 53197248, 70929664, 79795872, 106394496, 159591744, 212788992, 319183488, 638366976]

約数ペア:

[(1, 638366976), (2, 319183488), (3, 212788992), (4, 159591744), (6, 106394496), (8, 79795872), (9, 70929664), (12, 53197248), (13, 49105152), (16, 39897936), (18, 35464832), (24, 26598624), (26, 24552576), (32, 19948968), (36, 17732416), (39, 16368384), (48, 13299312), (52, 12276288), (64, 9974484), (72, 8866208), (78, 8184192), (96, 6649656), (104, 6138144), (117, 5456128), (128, 4987242), (144, 4433104), (156, 4092096), (192, 3324828), (208, 3069072), (234, 2728064), (256, 2493621), (288, 2216552), (312, 2046048), (384, 1662414), (416, 1534536), (468, 1364032), (576, 1108276), (624, 1023024), (768, 831207), (832, 767268), (936, 682016), (1152, 554138), (1248, 511512), (1664, 383634), (1872, 341008), (2304, 277069), (2496, 255756), (3328, 191817), (3744, 170504), (4992, 127878), (7488, 85252), (9984, 63939), (14976, 42626), (21313, 29952)]