81961812

素因数分解:

$2^2\times 3^2\times {\mathrm{953}}^1\times {\mathrm{2389}}^1$

素因数の和:3352

約数の個数: 36

約数和(自身を含む): 207485460

約数和(自身を除く): 125523648

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 953, 1906, 2389, 2859, 3812, 4778, 5718, 7167, 8577, 9556, 11436, 14334, 17154, 21501, 28668, 34308, 43002, 86004, 2276717, 4553434, 6830151, 9106868, 13660302, 20490453, 27320604, 40980906, 81961812]

約数ペア:

[(1, 81961812), (2, 40980906), (3, 27320604), (4, 20490453), (6, 13660302), (9, 9106868), (12, 6830151), (18, 4553434), (36, 2276717), (953, 86004), (1906, 43002), (2389, 34308), (2859, 28668), (3812, 21501), (4778, 17154), (5718, 14334), (7167, 11436), (8577, 9556)]