12180868

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 25467904

約数和(自身を除く): 13287036

約数列:

[1, 2, 4, 7, 14, 28, 43, 67, 86, 134, 151, 172, 268, 301, 302, 469, 602, 604, 938, 1057, 1204, 1876, 2114, 2881, 4228, 5762, 6493, 10117, 11524, 12986, 20167, 20234, 25972, 40334, 40468, 45451, 70819, 80668, 90902, 141638, 181804, 283276, 435031, 870062, 1740124, 3045217, 6090434, 12180868]

約数ペア:

[(1, 12180868), (2, 6090434), (4, 3045217), (7, 1740124), (14, 870062), (28, 435031), (43, 283276), (67, 181804), (86, 141638), (134, 90902), (151, 80668), (172, 70819), (268, 45451), (301, 40468), (302, 40334), (469, 25972), (602, 20234), (604, 20167), (938, 12986), (1057, 11524), (1204, 10117), (1876, 6493), (2114, 5762), (2881, 4228)]