281854976

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{683}}^1$

素因数の和:747

約数の個数: 88

約数和(自身を含む): 627266304

約数和(自身を除く): 345411328

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 403, 416, 496, 512, 683, 806, 832, 992, 1024, 1366, 1612, 1664, 1984, 2732, 3224, 3328, 3968, 5464, 6448, 6656, 7936, 8879, 10928, 12896, 13312, 15872, 17758, 21173, 21856, 25792, 31744, 35516, 42346, 43712, 51584, 71032, 84692, 87424, 103168, 142064, 169384, 174848, 206336, 275249, 284128, 338768, 349696, 412672, 550498, 568256, 677536, 699392, 1100996, 1136512, 1355072, 2201992, 2273024, 2710144, 4403984, 4546048, 5420288, 8807968, 9092096, 10840576, 17615936, 21681152, 35231872, 70463744, 140927488, 281854976]

約数ペア:

[(1, 281854976), (2, 140927488), (4, 70463744), (8, 35231872), (13, 21681152), (16, 17615936), (26, 10840576), (31, 9092096), (32, 8807968), (52, 5420288), (62, 4546048), (64, 4403984), (104, 2710144), (124, 2273024), (128, 2201992), (208, 1355072), (248, 1136512), (256, 1100996), (403, 699392), (416, 677536), (496, 568256), (512, 550498), (683, 412672), (806, 349696), (832, 338768), (992, 284128), (1024, 275249), (1366, 206336), (1612, 174848), (1664, 169384), (1984, 142064), (2732, 103168), (3224, 87424), (3328, 84692), (3968, 71032), (5464, 51584), (6448, 43712), (6656, 42346), (7936, 35516), (8879, 31744), (10928, 25792), (12896, 21856), (13312, 21173), (15872, 17758)]