80245886

素因数分解:

$2^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{11261}}^1$

素因数の和:11779

約数の個数: 16

約数和(自身を含む): 137846880

約数和(自身を除く): 57600994

約数列:

[1, 2, 7, 14, 509, 1018, 3563, 7126, 11261, 22522, 78827, 157654, 5731849, 11463698, 40122943, 80245886]

約数ペア:

[(1, 80245886), (2, 40122943), (7, 11463698), (14, 5731849), (509, 157654), (1018, 78827), (3563, 22522), (7126, 11261)]