28656145

素因数分解:

$5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{7949}}^1$

素因数の和:8064

約数の個数: 16

約数和(自身を含む): 39686400

約数和(自身を除く): 11030255

約数列:

[1, 5, 7, 35, 103, 515, 721, 3605, 7949, 39745, 55643, 278215, 818747, 4093735, 5731229, 28656145]

約数ペア:

[(1, 28656145), (5, 5731229), (7, 4093735), (35, 818747), (103, 278215), (515, 55643), (721, 39745), (3605, 7949)]