258781696

素因数分解:

$2^9\times {\mathrm{109}}^1\times {\mathrm{4637}}^1$

素因数の和:4764

約数の個数: 40

約数和(自身を含む): 521914140

約数和(自身を除く): 263132444

約数列:

[1, 2, 4, 8, 16, 32, 64, 109, 128, 218, 256, 436, 512, 872, 1744, 3488, 4637, 6976, 9274, 13952, 18548, 27904, 37096, 55808, 74192, 148384, 296768, 505433, 593536, 1010866, 1187072, 2021732, 2374144, 4043464, 8086928, 16173856, 32347712, 64695424, 129390848, 258781696]

約数ペア:

[(1, 258781696), (2, 129390848), (4, 64695424), (8, 32347712), (16, 16173856), (32, 8086928), (64, 4043464), (109, 2374144), (128, 2021732), (218, 1187072), (256, 1010866), (436, 593536), (512, 505433), (872, 296768), (1744, 148384), (3488, 74192), (4637, 55808), (6976, 37096), (9274, 27904), (13952, 18548)]