1780147138

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{27457}}^1$

素因数の和:27898

約数の個数: 32

約数和(自身を含む): 3337135488

約数和(自身を除く): 1556988350

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 421, 842, 2947, 4631, 5894, 9262, 27457, 32417, 54914, 64834, 192199, 302027, 384398, 604054, 2114189, 4228378, 11559397, 23118794, 80915779, 127153367, 161831558, 254306734, 890073569, 1780147138]

約数ペア:

[(1, 1780147138), (2, 890073569), (7, 254306734), (11, 161831558), (14, 127153367), (22, 80915779), (77, 23118794), (154, 11559397), (421, 4228378), (842, 2114189), (2947, 604054), (4631, 384398), (5894, 302027), (9262, 192199), (27457, 64834), (32417, 54914)]