2138515

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:342

約数の個数: 16

約数和(自身を含む): 2751840

約数和(自身を除く): 613325

約数列:

[1, 5, 17, 85, 139, 181, 695, 905, 2363, 3077, 11815, 15385, 25159, 125795, 427703, 2138515]

約数ペア:

[(1, 2138515), (5, 427703), (17, 125795), (85, 25159), (139, 15385), (181, 11815), (695, 3077), (905, 2363)]