28417130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{405959}}^1$

素因数の和:405973

約数の個数: 16

約数和(自身を含む): 58458240

約数和(自身を除く): 30041110

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 405959, 811918, 2029795, 2841713, 4059590, 5683426, 14208565, 28417130]

約数ペア:

[(1, 28417130), (2, 14208565), (5, 5683426), (7, 4059590), (10, 2841713), (14, 2029795), (35, 811918), (70, 405959)]