31019912

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1361}}^1$

素因数の和:1422

約数の個数: 64

約数和(自身を含む): 74528640

約数和(自身を除く): 43508728

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 37, 44, 56, 74, 77, 88, 148, 154, 259, 296, 308, 407, 518, 616, 814, 1036, 1361, 1628, 2072, 2722, 2849, 3256, 5444, 5698, 9527, 10888, 11396, 14971, 19054, 22792, 29942, 38108, 50357, 59884, 76216, 100714, 104797, 119768, 201428, 209594, 352499, 402856, 419188, 553927, 704998, 838376, 1107854, 1409996, 2215708, 2819992, 3877489, 4431416, 7754978, 15509956, 31019912]

約数ペア:

[(1, 31019912), (2, 15509956), (4, 7754978), (7, 4431416), (8, 3877489), (11, 2819992), (14, 2215708), (22, 1409996), (28, 1107854), (37, 838376), (44, 704998), (56, 553927), (74, 419188), (77, 402856), (88, 352499), (148, 209594), (154, 201428), (259, 119768), (296, 104797), (308, 100714), (407, 76216), (518, 59884), (616, 50357), (814, 38108), (1036, 29942), (1361, 22792), (1628, 19054), (2072, 14971), (2722, 11396), (2849, 10888), (3256, 9527), (5444, 5698)]