81166708

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{5261}}^1$

素因数の和:5320

約数の個数: 48

約数和(自身を含む): 176803200

約数和(自身を除く): 95636492

約数列:

[1, 2, 4, 7, 14, 19, 28, 29, 38, 58, 76, 116, 133, 203, 266, 406, 532, 551, 812, 1102, 2204, 3857, 5261, 7714, 10522, 15428, 21044, 36827, 73654, 99959, 147308, 152569, 199918, 305138, 399836, 610276, 699713, 1067983, 1399426, 2135966, 2798852, 2898811, 4271932, 5797622, 11595244, 20291677, 40583354, 81166708]

約数ペア:

[(1, 81166708), (2, 40583354), (4, 20291677), (7, 11595244), (14, 5797622), (19, 4271932), (28, 2898811), (29, 2798852), (38, 2135966), (58, 1399426), (76, 1067983), (116, 699713), (133, 610276), (203, 399836), (266, 305138), (406, 199918), (532, 152569), (551, 147308), (812, 99959), (1102, 73654), (2204, 36827), (3857, 21044), (5261, 15428), (7714, 10522)]