12820278

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:181

約数の個数: 64

約数和(自身を含む): 28892160

約数和(自身を除く): 16071882

約数列:

[1, 2, 3, 6, 17, 34, 37, 43, 51, 74, 79, 86, 102, 111, 129, 158, 222, 237, 258, 474, 629, 731, 1258, 1343, 1462, 1591, 1887, 2193, 2686, 2923, 3182, 3397, 3774, 4029, 4386, 4773, 5846, 6794, 8058, 8769, 9546, 10191, 17538, 20382, 27047, 49691, 54094, 57749, 81141, 99382, 115498, 125689, 149073, 162282, 173247, 251378, 298146, 346494, 377067, 754134, 2136713, 4273426, 6410139, 12820278]

約数ペア:

[(1, 12820278), (2, 6410139), (3, 4273426), (6, 2136713), (17, 754134), (34, 377067), (37, 346494), (43, 298146), (51, 251378), (74, 173247), (79, 162282), (86, 149073), (102, 125689), (111, 115498), (129, 99382), (158, 81141), (222, 57749), (237, 54094), (258, 49691), (474, 27047), (629, 20382), (731, 17538), (1258, 10191), (1343, 9546), (1462, 8769), (1591, 8058), (1887, 6794), (2193, 5846), (2686, 4773), (2923, 4386), (3182, 4029), (3397, 3774)]