16199015

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{20123}}^1$

素因数の和:20158

約数の個数: 16

約数和(自身を含む): 23182848

約数和(自身を除く): 6983833

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 20123, 100615, 140861, 462829, 704305, 2314145, 3239803, 16199015]

約数ペア:

[(1, 16199015), (5, 3239803), (7, 2314145), (23, 704305), (35, 462829), (115, 140861), (161, 100615), (805, 20123)]