28376005

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{26153}}^1$

素因数の和:26196

約数の個数: 16

約数和(自身を含む): 40172544

約数和(自身を除く): 11796539

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 26153, 130765, 183071, 810743, 915355, 4053715, 5675201, 28376005]

約数ペア:

[(1, 28376005), (5, 5675201), (7, 4053715), (31, 915355), (35, 810743), (155, 183071), (217, 130765), (1085, 26153)]