28104755

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{25903}}^1$

素因数の和:25946

約数の個数: 16

約数和(自身を含む): 39788544

約数和(自身を除く): 11683789

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 25903, 129515, 181321, 802993, 906605, 4014965, 5620951, 28104755]

約数ペア:

[(1, 28104755), (5, 5620951), (7, 4014965), (31, 906605), (35, 802993), (155, 181321), (217, 129515), (1085, 25903)]