258366808

素因数分解:

$2^3\times 7^4\times {\mathrm{13451}}^1$

素因数の和:13485

約数の個数: 40

約数和(自身を含む): 565185780

約数和(自身を除く): 306818972

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2401, 2744, 4802, 9604, 13451, 19208, 26902, 53804, 94157, 107608, 188314, 376628, 659099, 753256, 1318198, 2636396, 4613693, 5272792, 9227386, 18454772, 32295851, 36909544, 64591702, 129183404, 258366808]

約数ペア:

[(1, 258366808), (2, 129183404), (4, 64591702), (7, 36909544), (8, 32295851), (14, 18454772), (28, 9227386), (49, 5272792), (56, 4613693), (98, 2636396), (196, 1318198), (343, 753256), (392, 659099), (686, 376628), (1372, 188314), (2401, 107608), (2744, 94157), (4802, 53804), (9604, 26902), (13451, 19208)]