287926016

素因数分解:

$2^8\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:198

約数の個数: 144

約数和(自身を含む): 696987648

約数和(自身を除く): 409061632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 71, 73, 112, 124, 128, 142, 146, 217, 224, 248, 256, 284, 292, 434, 448, 496, 497, 511, 568, 584, 868, 896, 992, 994, 1022, 1136, 1168, 1736, 1792, 1984, 1988, 2044, 2201, 2263, 2272, 2336, 3472, 3968, 3976, 4088, 4402, 4526, 4544, 4672, 5183, 6944, 7936, 7952, 8176, 8804, 9052, 9088, 9344, 10366, 13888, 15407, 15841, 15904, 16352, 17608, 18104, 18176, 18688, 20732, 27776, 30814, 31682, 31808, 32704, 35216, 36208, 36281, 41464, 55552, 61628, 63364, 63616, 65408, 70432, 72416, 72562, 82928, 123256, 126728, 127232, 130816, 140864, 144832, 145124, 160673, 165856, 246512, 253456, 281728, 289664, 290248, 321346, 331712, 493024, 506912, 563456, 579328, 580496, 642692, 663424, 986048, 1013824, 1124711, 1160992, 1285384, 1326848, 1972096, 2027648, 2249422, 2321984, 2570768, 3944192, 4055296, 4498844, 4643968, 5141536, 8997688, 9287936, 10283072, 17995376, 20566144, 35990752, 41132288, 71981504, 143963008, 287926016]

約数ペア:

[(1, 287926016), (2, 143963008), (4, 71981504), (7, 41132288), (8, 35990752), (14, 20566144), (16, 17995376), (28, 10283072), (31, 9287936), (32, 8997688), (56, 5141536), (62, 4643968), (64, 4498844), (71, 4055296), (73, 3944192), (112, 2570768), (124, 2321984), (128, 2249422), (142, 2027648), (146, 1972096), (217, 1326848), (224, 1285384), (248, 1160992), (256, 1124711), (284, 1013824), (292, 986048), (434, 663424), (448, 642692), (496, 580496), (497, 579328), (511, 563456), (568, 506912), (584, 493024), (868, 331712), (896, 321346), (992, 290248), (994, 289664), (1022, 281728), (1136, 253456), (1168, 246512), (1736, 165856), (1792, 160673), (1984, 145124), (1988, 144832), (2044, 140864), (2201, 130816), (2263, 127232), (2272, 126728), (2336, 123256), (3472, 82928), (3968, 72562), (3976, 72416), (4088, 70432), (4402, 65408), (4526, 63616), (4544, 63364), (4672, 61628), (5183, 55552), (6944, 41464), (7936, 36281), (7952, 36208), (8176, 35216), (8804, 32704), (9052, 31808), (9088, 31682), (9344, 30814), (10366, 27776), (13888, 20732), (15407, 18688), (15841, 18176), (15904, 18104), (16352, 17608)]