8712242

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:207

約数の個数: 48

約数和(自身を含む): 16981440

約数和(自身を除く): 8269198

約数列:

[1, 2, 7, 11, 14, 22, 37, 74, 77, 121, 139, 154, 242, 259, 278, 407, 518, 814, 847, 973, 1529, 1694, 1946, 2849, 3058, 4477, 5143, 5698, 8954, 10286, 10703, 16819, 21406, 31339, 33638, 36001, 56573, 62678, 72002, 113146, 117733, 235466, 396011, 622303, 792022, 1244606, 4356121, 8712242]

約数ペア:

[(1, 8712242), (2, 4356121), (7, 1244606), (11, 792022), (14, 622303), (22, 396011), (37, 235466), (74, 117733), (77, 113146), (121, 72002), (139, 62678), (154, 56573), (242, 36001), (259, 33638), (278, 31339), (407, 21406), (518, 16819), (814, 10703), (847, 10286), (973, 8954), (1529, 5698), (1694, 5143), (1946, 4477), (2849, 3058)]