12991218

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:602

約数の個数: 32

約数和(自身を含む): 26940480

約数和(自身を除く): 13949262

約数列:

[1, 2, 3, 6, 37, 74, 111, 139, 222, 278, 417, 421, 834, 842, 1263, 2526, 5143, 10286, 15429, 15577, 30858, 31154, 46731, 58519, 93462, 117038, 175557, 351114, 2165203, 4330406, 6495609, 12991218]

約数ペア:

[(1, 12991218), (2, 6495609), (3, 4330406), (6, 2165203), (37, 351114), (74, 175557), (111, 117038), (139, 93462), (222, 58519), (278, 46731), (417, 31154), (421, 30858), (834, 15577), (842, 15429), (1263, 10286), (2526, 5143)]