278323456

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2063}}^1$

素因数の和:2127

約数の個数: 72

約数和(自身を含む): 607509504

約数和(自身を除く): 329186048

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 124, 128, 136, 248, 256, 272, 496, 527, 544, 992, 1054, 1088, 1984, 2063, 2108, 2176, 3968, 4126, 4216, 4352, 7936, 8252, 8432, 16504, 16864, 33008, 33728, 35071, 63953, 66016, 67456, 70142, 127906, 132032, 134912, 140284, 255812, 264064, 280568, 511624, 528128, 561136, 1023248, 1087201, 1122272, 2046496, 2174402, 2244544, 4092992, 4348804, 4489088, 8185984, 8697608, 8978176, 16371968, 17395216, 34790432, 69580864, 139161728, 278323456]

約数ペア:

[(1, 278323456), (2, 139161728), (4, 69580864), (8, 34790432), (16, 17395216), (17, 16371968), (31, 8978176), (32, 8697608), (34, 8185984), (62, 4489088), (64, 4348804), (68, 4092992), (124, 2244544), (128, 2174402), (136, 2046496), (248, 1122272), (256, 1087201), (272, 1023248), (496, 561136), (527, 528128), (544, 511624), (992, 280568), (1054, 264064), (1088, 255812), (1984, 140284), (2063, 134912), (2108, 132032), (2176, 127906), (3968, 70142), (4126, 67456), (4216, 66016), (4352, 63953), (7936, 35071), (8252, 33728), (8432, 33008), (16504, 16864)]