12678378

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{313}}^1$

素因数の和:518

約数の個数: 32

約数和(自身を含む): 26195136

約数和(自身を除く): 13516758

約数列:

[1, 2, 3, 6, 43, 86, 129, 157, 258, 313, 314, 471, 626, 939, 942, 1878, 6751, 13459, 13502, 20253, 26918, 40377, 40506, 49141, 80754, 98282, 147423, 294846, 2113063, 4226126, 6339189, 12678378]

約数ペア:

[(1, 12678378), (2, 6339189), (3, 4226126), (6, 2113063), (43, 294846), (86, 147423), (129, 98282), (157, 80754), (258, 49141), (313, 40506), (314, 40377), (471, 26918), (626, 20253), (939, 13502), (942, 13459), (1878, 6751)]