205187612

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{859}}^1$

素因数の和:1338

約数の個数: 48

約数和(自身を含む): 433440000

約数和(自身を除く): 228252388

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 449, 532, 859, 898, 1718, 1796, 3143, 3436, 6013, 6286, 8531, 12026, 12572, 16321, 17062, 24052, 32642, 34124, 59717, 65284, 114247, 119434, 228494, 238868, 385691, 456988, 771382, 1542764, 2699837, 5399674, 7328129, 10799348, 14656258, 29312516, 51296903, 102593806, 205187612]

約数ペア:

[(1, 205187612), (2, 102593806), (4, 51296903), (7, 29312516), (14, 14656258), (19, 10799348), (28, 7328129), (38, 5399674), (76, 2699837), (133, 1542764), (266, 771382), (449, 456988), (532, 385691), (859, 238868), (898, 228494), (1718, 119434), (1796, 114247), (3143, 65284), (3436, 59717), (6013, 34124), (6286, 32642), (8531, 24052), (12026, 17062), (12572, 16321)]