257834704

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{163}}^1\times {\mathrm{907}}^1$

素因数の和:1187

約数の個数: 40

約数和(自身を含む): 507789920

約数和(自身を除く): 249955216

約数列:

[1, 2, 4, 8, 16, 109, 163, 218, 326, 436, 652, 872, 907, 1304, 1744, 1814, 2608, 3628, 7256, 14512, 17767, 35534, 71068, 98863, 142136, 147841, 197726, 284272, 295682, 395452, 591364, 790904, 1182728, 1581808, 2365456, 16114669, 32229338, 64458676, 128917352, 257834704]

約数ペア:

[(1, 257834704), (2, 128917352), (4, 64458676), (8, 32229338), (16, 16114669), (109, 2365456), (163, 1581808), (218, 1182728), (326, 790904), (436, 591364), (652, 395452), (872, 295682), (907, 284272), (1304, 197726), (1744, 147841), (1814, 142136), (2608, 98863), (3628, 71068), (7256, 35534), (14512, 17767)]