28291235

素因数分解:

$5^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{1607}}^1$

素因数の和:2122

約数の個数: 16

約数和(自身を含む): 38900736

約数和(自身を除く): 10609501

約数列:

[1, 5, 7, 35, 503, 1607, 2515, 3521, 8035, 11249, 17605, 56245, 808321, 4041605, 5658247, 28291235]

約数ペア:

[(1, 28291235), (5, 5658247), (7, 4041605), (35, 808321), (503, 56245), (1607, 17605), (2515, 11249), (3521, 8035)]