28333690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1187}}^1$

素因数の和:1243

約数の個数: 64

約数和(自身を含む): 65691648

約数和(自身を除く): 37357958

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 31, 35, 55, 62, 70, 77, 110, 154, 155, 217, 310, 341, 385, 434, 682, 770, 1085, 1187, 1705, 2170, 2374, 2387, 3410, 4774, 5935, 8309, 11870, 11935, 13057, 16618, 23870, 26114, 36797, 41545, 65285, 73594, 83090, 91399, 130570, 182798, 183985, 257579, 367970, 404767, 456995, 515158, 809534, 913990, 1287895, 2023835, 2575790, 2833369, 4047670, 5666738, 14166845, 28333690]

約数ペア:

[(1, 28333690), (2, 14166845), (5, 5666738), (7, 4047670), (10, 2833369), (11, 2575790), (14, 2023835), (22, 1287895), (31, 913990), (35, 809534), (55, 515158), (62, 456995), (70, 404767), (77, 367970), (110, 257579), (154, 183985), (155, 182798), (217, 130570), (310, 91399), (341, 83090), (385, 73594), (434, 65285), (682, 41545), (770, 36797), (1085, 26114), (1187, 23870), (1705, 16618), (2170, 13057), (2374, 11935), (2387, 11870), (3410, 8309), (4774, 5935)]