12989095

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5227}}^1$

素因数の和:5310

約数の個数: 16

約数和(自身を含む): 18067968

約数和(自身を除く): 5078873

約数列:

[1, 5, 7, 35, 71, 355, 497, 2485, 5227, 26135, 36589, 182945, 371117, 1855585, 2597819, 12989095]

約数ペア:

[(1, 12989095), (5, 2597819), (7, 1855585), (35, 371117), (71, 182945), (355, 36589), (497, 26135), (2485, 5227)]