1389339908

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{2870537}}^1$

素因数の和:2870563

約数の個数: 18

約数和(自身を含む): 2672470878

約数和(自身を除く): 1283130970

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 2870537, 5741074, 11482148, 31575907, 63151814, 126303628, 347334977, 694669954, 1389339908]

約数ペア:

[(1, 1389339908), (2, 694669954), (4, 347334977), (11, 126303628), (22, 63151814), (44, 31575907), (121, 11482148), (242, 5741074), (484, 2870537)]