172272128

素因数分解:

$2^9\times 7^1\times {\mathrm{71}}^1\times {\mathrm{677}}^1$

素因数の和:773

約数の個数: 80

約数和(自身を含む): 399510144

約数和(自身を除く): 227238016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 128, 142, 224, 256, 284, 448, 497, 512, 568, 677, 896, 994, 1136, 1354, 1792, 1988, 2272, 2708, 3584, 3976, 4544, 4739, 5416, 7952, 9088, 9478, 10832, 15904, 18176, 18956, 21664, 31808, 36352, 37912, 43328, 48067, 63616, 75824, 86656, 96134, 127232, 151648, 173312, 192268, 254464, 303296, 336469, 346624, 384536, 606592, 672938, 769072, 1213184, 1345876, 1538144, 2426368, 2691752, 3076288, 5383504, 6152576, 10767008, 12305152, 21534016, 24610304, 43068032, 86136064, 172272128]

約数ペア:

[(1, 172272128), (2, 86136064), (4, 43068032), (7, 24610304), (8, 21534016), (14, 12305152), (16, 10767008), (28, 6152576), (32, 5383504), (56, 3076288), (64, 2691752), (71, 2426368), (112, 1538144), (128, 1345876), (142, 1213184), (224, 769072), (256, 672938), (284, 606592), (448, 384536), (497, 346624), (512, 336469), (568, 303296), (677, 254464), (896, 192268), (994, 173312), (1136, 151648), (1354, 127232), (1792, 96134), (1988, 86656), (2272, 75824), (2708, 63616), (3584, 48067), (3976, 43328), (4544, 37912), (4739, 36352), (5416, 31808), (7952, 21664), (9088, 18956), (9478, 18176), (10832, 15904)]