1390991254

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{690661}}^1$

素因数の和:690735

約数の個数: 16

約数和(自身を含む): 2237744880

約数和(自身を除く): 846753626

約数列:

[1, 2, 19, 38, 53, 106, 1007, 2014, 690661, 1381322, 13122559, 26245118, 36605033, 73210066, 695495627, 1390991254]

約数ペア:

[(1, 1390991254), (2, 695495627), (19, 73210066), (38, 36605033), (53, 26245118), (106, 13122559), (1007, 1381322), (2014, 690661)]