81622784

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 174271440

約数和(自身を除く): 92648656

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 97, 128, 152, 173, 194, 256, 304, 346, 388, 608, 692, 776, 1216, 1384, 1552, 1843, 2432, 2768, 3104, 3287, 3686, 4864, 5536, 6208, 6574, 7372, 11072, 12416, 13148, 14744, 16781, 22144, 24832, 26296, 29488, 33562, 44288, 52592, 58976, 67124, 105184, 117952, 134248, 210368, 235904, 268496, 318839, 420736, 471808, 536992, 637678, 841472, 1073984, 1275356, 2147968, 2550712, 4295936, 5101424, 10202848, 20405696, 40811392, 81622784]

約数ペア:

[(1, 81622784), (2, 40811392), (4, 20405696), (8, 10202848), (16, 5101424), (19, 4295936), (32, 2550712), (38, 2147968), (64, 1275356), (76, 1073984), (97, 841472), (128, 637678), (152, 536992), (173, 471808), (194, 420736), (256, 318839), (304, 268496), (346, 235904), (388, 210368), (608, 134248), (692, 117952), (776, 105184), (1216, 67124), (1384, 58976), (1552, 52592), (1843, 44288), (2432, 33562), (2768, 29488), (3104, 26296), (3287, 24832), (3686, 22144), (4864, 16781), (5536, 14744), (6208, 13148), (6574, 12416), (7372, 11072)]