428476221808

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{313}}^1\times {\mathrm{784939}}^1$

素因数の和:785369

約数の個数: 40

約数和(自身を含む): 840466655600

約数和(自身を除く): 411990433792

約数列:

[1, 2, 4, 8, 16, 109, 218, 313, 436, 626, 872, 1252, 1744, 2504, 5008, 34117, 68234, 136468, 272936, 545872, 784939, 1569878, 3139756, 6279512, 12559024, 85558351, 171116702, 245685907, 342233404, 491371814, 684466808, 982743628, 1368933616, 1965487256, 3930974512, 26779763863, 53559527726, 107119055452, 214238110904, 428476221808]

約数ペア:

[(1, 428476221808), (2, 214238110904), (4, 107119055452), (8, 53559527726), (16, 26779763863), (109, 3930974512), (218, 1965487256), (313, 1368933616), (436, 982743628), (626, 684466808), (872, 491371814), (1252, 342233404), (1744, 245685907), (2504, 171116702), (5008, 85558351), (34117, 12559024), (68234, 6279512), (136468, 3139756), (272936, 1569878), (545872, 784939)]