81110556

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{347}}^1$

素因数の和:551

約数の個数: 72

約数和(自身を含む): 211795584

約数和(自身を除く): 130685028

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 151, 172, 258, 302, 347, 387, 453, 516, 604, 694, 774, 906, 1041, 1359, 1388, 1548, 1812, 2082, 2718, 3123, 4164, 5436, 6246, 6493, 12492, 12986, 14921, 19479, 25972, 29842, 38958, 44763, 52397, 58437, 59684, 77916, 89526, 104794, 116874, 134289, 157191, 179052, 209588, 233748, 268578, 314382, 471573, 537156, 628764, 943146, 1886292, 2253071, 4506142, 6759213, 9012284, 13518426, 20277639, 27036852, 40555278, 81110556]

約数ペア:

[(1, 81110556), (2, 40555278), (3, 27036852), (4, 20277639), (6, 13518426), (9, 9012284), (12, 6759213), (18, 4506142), (36, 2253071), (43, 1886292), (86, 943146), (129, 628764), (151, 537156), (172, 471573), (258, 314382), (302, 268578), (347, 233748), (387, 209588), (453, 179052), (516, 157191), (604, 134289), (694, 116874), (774, 104794), (906, 89526), (1041, 77916), (1359, 59684), (1388, 58437), (1548, 52397), (1812, 44763), (2082, 38958), (2718, 29842), (3123, 25972), (4164, 19479), (5436, 14921), (6246, 12986), (6493, 12492)]