12990068

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 28299264

約数和(自身を除く): 15309196

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 127, 182, 254, 281, 364, 508, 562, 889, 1124, 1651, 1778, 1967, 3302, 3556, 3653, 3934, 6604, 7306, 7868, 11557, 14612, 23114, 25571, 35687, 46228, 51142, 71374, 102284, 142748, 249809, 463931, 499618, 927862, 999236, 1855724, 3247517, 6495034, 12990068]

約数ペア:

[(1, 12990068), (2, 6495034), (4, 3247517), (7, 1855724), (13, 999236), (14, 927862), (26, 499618), (28, 463931), (52, 249809), (91, 142748), (127, 102284), (182, 71374), (254, 51142), (281, 46228), (364, 35687), (508, 25571), (562, 23114), (889, 14612), (1124, 11557), (1651, 7868), (1778, 7306), (1967, 6604), (3302, 3934), (3556, 3653)]