28746991

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{3067}}^1$

素因数の和:3190

約数の個数: 16

約数和(自身を含む): 35736064

約数和(自身を除く): 6989073

約数列:

[1, 7, 13, 91, 103, 721, 1339, 3067, 9373, 21469, 39871, 279097, 315901, 2211307, 4106713, 28746991]

約数ペア:

[(1, 28746991), (7, 4106713), (13, 2211307), (91, 315901), (103, 279097), (721, 39871), (1339, 21469), (3067, 9373)]