12171460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{86939}}^1$

素因数の和:86955

約数の個数: 24

約数和(自身を含む): 29211840

約数和(自身を除く): 17040380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 86939, 173878, 347756, 434695, 608573, 869390, 1217146, 1738780, 2434292, 3042865, 6085730, 12171460]

約数ペア:

[(1, 12171460), (2, 6085730), (4, 3042865), (5, 2434292), (7, 1738780), (10, 1217146), (14, 869390), (20, 608573), (28, 434695), (35, 347756), (70, 173878), (140, 86939)]