816397795

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1\times {\mathrm{13001}}^1$

素因数の和:13686

約数の個数: 16

約数和(自身を含む): 1032878880

約数和(自身を除く): 216481085

約数列:

[1, 5, 19, 95, 661, 3305, 12559, 13001, 62795, 65005, 247019, 1235095, 8593661, 42968305, 163279559, 816397795]

約数ペア:

[(1, 816397795), (5, 163279559), (19, 42968305), (95, 8593661), (661, 1235095), (3305, 247019), (12559, 65005), (13001, 62795)]