248825344

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:367

約数の個数: 80

約数和(自身を含む): 523645056

約数和(自身を除く): 274819712

約数列:

[1, 2, 4, 8, 16, 31, 32, 61, 62, 64, 122, 124, 128, 244, 248, 256, 257, 488, 496, 512, 514, 976, 992, 1028, 1891, 1952, 1984, 2056, 3782, 3904, 3968, 4112, 7564, 7808, 7936, 7967, 8224, 15128, 15616, 15677, 15872, 15934, 16448, 30256, 31232, 31354, 31868, 32896, 60512, 62708, 63736, 65792, 121024, 125416, 127472, 131584, 242048, 250832, 254944, 484096, 485987, 501664, 509888, 968192, 971974, 1003328, 1019776, 1943948, 2006656, 2039552, 3887896, 4013312, 4079104, 7775792, 8026624, 15551584, 31103168, 62206336, 124412672, 248825344]

約数ペア:

[(1, 248825344), (2, 124412672), (4, 62206336), (8, 31103168), (16, 15551584), (31, 8026624), (32, 7775792), (61, 4079104), (62, 4013312), (64, 3887896), (122, 2039552), (124, 2006656), (128, 1943948), (244, 1019776), (248, 1003328), (256, 971974), (257, 968192), (488, 509888), (496, 501664), (512, 485987), (514, 484096), (976, 254944), (992, 250832), (1028, 242048), (1891, 131584), (1952, 127472), (1984, 125416), (2056, 121024), (3782, 65792), (3904, 63736), (3968, 62708), (4112, 60512), (7564, 32896), (7808, 31868), (7936, 31354), (7967, 31232), (8224, 30256), (15128, 16448), (15616, 15934), (15677, 15872)]