2778211009

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1015057}}^1$

素因数の和:1015104

約数の個数: 16

約数和(自身を含む): 3508040448

約数和(自身を除く): 729829439

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 1015057, 7105399, 17255969, 23346311, 120791783, 163424177, 396887287, 2778211009]

約数ペア:

[(1, 2778211009), (7, 396887287), (17, 163424177), (23, 120791783), (119, 23346311), (161, 17255969), (391, 7105399), (2737, 1015057)]