209464768

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1487}}^1$

素因数の和:1601

約数の個数: 56

約数和(自身を含む): 435400704

約数和(自身を除く): 225935936

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 71, 124, 142, 248, 284, 496, 568, 992, 1136, 1487, 1984, 2201, 2272, 2974, 4402, 4544, 5948, 8804, 11896, 17608, 23792, 35216, 46097, 47584, 70432, 92194, 95168, 105577, 140864, 184388, 211154, 368776, 422308, 737552, 844616, 1475104, 1689232, 2950208, 3272887, 3378464, 6545774, 6756928, 13091548, 26183096, 52366192, 104732384, 209464768]

約数ペア:

[(1, 209464768), (2, 104732384), (4, 52366192), (8, 26183096), (16, 13091548), (31, 6756928), (32, 6545774), (62, 3378464), (64, 3272887), (71, 2950208), (124, 1689232), (142, 1475104), (248, 844616), (284, 737552), (496, 422308), (568, 368776), (992, 211154), (1136, 184388), (1487, 140864), (1984, 105577), (2201, 95168), (2272, 92194), (2974, 70432), (4402, 47584), (4544, 46097), (5948, 35216), (8804, 23792), (11896, 17608)]