81730376

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{857}}^1$

素因数の和:1014

約数の個数: 64

約数和(自身を含む): 190270080

約数和(自身を除く): 108539704

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 131, 182, 262, 364, 524, 728, 857, 917, 1048, 1703, 1714, 1834, 3406, 3428, 3668, 5999, 6812, 6856, 7336, 11141, 11921, 11998, 13624, 22282, 23842, 23996, 44564, 47684, 47992, 77987, 89128, 95368, 112267, 155974, 224534, 311948, 449068, 623896, 785869, 898136, 1459471, 1571738, 2918942, 3143476, 5837884, 6286952, 10216297, 11675768, 20432594, 40865188, 81730376]

約数ペア:

[(1, 81730376), (2, 40865188), (4, 20432594), (7, 11675768), (8, 10216297), (13, 6286952), (14, 5837884), (26, 3143476), (28, 2918942), (52, 1571738), (56, 1459471), (91, 898136), (104, 785869), (131, 623896), (182, 449068), (262, 311948), (364, 224534), (524, 155974), (728, 112267), (857, 95368), (917, 89128), (1048, 77987), (1703, 47992), (1714, 47684), (1834, 44564), (3406, 23996), (3428, 23842), (3668, 22282), (5999, 13624), (6812, 11998), (6856, 11921), (7336, 11141)]