645002912

素因数分解:

$2^5\times {\mathrm{181}}^1\times {\mathrm{193}}^1\times {\mathrm{577}}^1$

素因数の和:961

約数の個数: 48

約数和(自身を含む): 1285705512

約数和(自身を除く): 640702600

約数列:

[1, 2, 4, 8, 16, 32, 181, 193, 362, 386, 577, 724, 772, 1154, 1448, 1544, 2308, 2896, 3088, 4616, 5792, 6176, 9232, 18464, 34933, 69866, 104437, 111361, 139732, 208874, 222722, 279464, 417748, 445444, 558928, 835496, 890888, 1117856, 1670992, 1781776, 3341984, 3563552, 20156341, 40312682, 80625364, 161250728, 322501456, 645002912]

約数ペア:

[(1, 645002912), (2, 322501456), (4, 161250728), (8, 80625364), (16, 40312682), (32, 20156341), (181, 3563552), (193, 3341984), (362, 1781776), (386, 1670992), (577, 1117856), (724, 890888), (772, 835496), (1154, 558928), (1448, 445444), (1544, 417748), (2308, 279464), (2896, 222722), (3088, 208874), (4616, 139732), (5792, 111361), (6176, 104437), (9232, 69866), (18464, 34933)]