1390374722

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{110681}}^1$

素因数の和:111265

約数の個数: 16

約数和(自身を含む): 2279163744

約数和(自身を除く): 888789022

約数列:

[1, 2, 11, 22, 571, 1142, 6281, 12562, 110681, 221362, 1217491, 2434982, 63198851, 126397702, 695187361, 1390374722]

約数ペア:

[(1, 1390374722), (2, 695187361), (11, 126397702), (22, 63198851), (571, 2434982), (1142, 1217491), (6281, 221362), (12562, 110681)]