81672738

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1103}}^1$

素因数の和:1199

約数の個数: 64

約数和(自身を含む): 195858432

約数和(自身を除く): 114185694

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 43, 82, 86, 123, 129, 246, 258, 287, 301, 574, 602, 861, 903, 1103, 1722, 1763, 1806, 2206, 3309, 3526, 5289, 6618, 7721, 10578, 12341, 15442, 23163, 24682, 37023, 45223, 46326, 47429, 74046, 90446, 94858, 135669, 142287, 271338, 284574, 316561, 332003, 633122, 664006, 949683, 996009, 1899366, 1944589, 1992018, 3889178, 5833767, 11667534, 13612123, 27224246, 40836369, 81672738]

約数ペア:

[(1, 81672738), (2, 40836369), (3, 27224246), (6, 13612123), (7, 11667534), (14, 5833767), (21, 3889178), (41, 1992018), (42, 1944589), (43, 1899366), (82, 996009), (86, 949683), (123, 664006), (129, 633122), (246, 332003), (258, 316561), (287, 284574), (301, 271338), (574, 142287), (602, 135669), (861, 94858), (903, 90446), (1103, 74046), (1722, 47429), (1763, 46326), (1806, 45223), (2206, 37023), (3309, 24682), (3526, 23163), (5289, 15442), (6618, 12341), (7721, 10578)]