28878976

素因数分解:

$2^7\times 7^1\times {\mathrm{167}}^1\times {\mathrm{193}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 66487680

約数和(自身を除く): 37608704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 167, 193, 224, 334, 386, 448, 668, 772, 896, 1169, 1336, 1351, 1544, 2338, 2672, 2702, 3088, 4676, 5344, 5404, 6176, 9352, 10688, 10808, 12352, 18704, 21376, 21616, 24704, 32231, 37408, 43232, 64462, 74816, 86464, 128924, 149632, 172928, 225617, 257848, 451234, 515696, 902468, 1031392, 1804936, 2062784, 3609872, 4125568, 7219744, 14439488, 28878976]

約数ペア:

[(1, 28878976), (2, 14439488), (4, 7219744), (7, 4125568), (8, 3609872), (14, 2062784), (16, 1804936), (28, 1031392), (32, 902468), (56, 515696), (64, 451234), (112, 257848), (128, 225617), (167, 172928), (193, 149632), (224, 128924), (334, 86464), (386, 74816), (448, 64462), (668, 43232), (772, 37408), (896, 32231), (1169, 24704), (1336, 21616), (1351, 21376), (1544, 18704), (2338, 12352), (2672, 10808), (2702, 10688), (3088, 9352), (4676, 6176), (5344, 5404)]