28474015

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1\times {\mathrm{431}}^1$

素因数の和:690

約数の個数: 16

約数和(自身を含む): 34909056

約数和(自身を除く): 6435041

約数列:

[1, 5, 73, 181, 365, 431, 905, 2155, 13213, 31463, 66065, 78011, 157315, 390055, 5694803, 28474015]

約数ペア:

[(1, 28474015), (5, 5694803), (73, 390055), (181, 157315), (365, 78011), (431, 66065), (905, 31463), (2155, 13213)]