91971460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{656939}}^1$

素因数の和:656955

約数の個数: 24

約数和(自身を含む): 220731840

約数和(自身を除く): 128760380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 656939, 1313878, 2627756, 3284695, 4598573, 6569390, 9197146, 13138780, 18394292, 22992865, 45985730, 91971460]

約数ペア:

[(1, 91971460), (2, 45985730), (4, 22992865), (5, 18394292), (7, 13138780), (10, 9197146), (14, 6569390), (20, 4598573), (28, 3284695), (35, 2627756), (70, 1313878), (140, 656939)]