971408

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{557}}^1$

素因数の和:674

約数の個数: 20

約数和(自身を含む): 1902780

約数和(自身を除く): 931372

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 557, 872, 1114, 1744, 2228, 4456, 8912, 60713, 121426, 242852, 485704, 971408]

約数ペア:

[(1, 971408), (2, 485704), (4, 242852), (8, 121426), (16, 60713), (109, 8912), (218, 4456), (436, 2228), (557, 1744), (872, 1114)]