289745344

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^2\times {\mathrm{673}}^1$

素因数の和:754

約数の個数: 84

約数和(自身を含む): 679990512

約数和(自身を除く): 390245168

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 217, 224, 248, 434, 448, 496, 673, 868, 961, 992, 1346, 1736, 1922, 1984, 2692, 3472, 3844, 4711, 5384, 6727, 6944, 7688, 9422, 10768, 13454, 13888, 15376, 18844, 20863, 21536, 26908, 30752, 37688, 41726, 43072, 53816, 61504, 75376, 83452, 107632, 146041, 150752, 166904, 215264, 292082, 301504, 333808, 430528, 584164, 646753, 667616, 1168328, 1293506, 1335232, 2336656, 2587012, 4527271, 4673312, 5174024, 9054542, 9346624, 10348048, 18109084, 20696096, 36218168, 41392192, 72436336, 144872672, 289745344]

約数ペア:

[(1, 289745344), (2, 144872672), (4, 72436336), (7, 41392192), (8, 36218168), (14, 20696096), (16, 18109084), (28, 10348048), (31, 9346624), (32, 9054542), (56, 5174024), (62, 4673312), (64, 4527271), (112, 2587012), (124, 2336656), (217, 1335232), (224, 1293506), (248, 1168328), (434, 667616), (448, 646753), (496, 584164), (673, 430528), (868, 333808), (961, 301504), (992, 292082), (1346, 215264), (1736, 166904), (1922, 150752), (1984, 146041), (2692, 107632), (3472, 83452), (3844, 75376), (4711, 61504), (5384, 53816), (6727, 43072), (6944, 41726), (7688, 37688), (9422, 30752), (10768, 26908), (13454, 21536), (13888, 20863), (15376, 18844)]