1388895838

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{521749}}^1$

素因数の和:521784

約数の個数: 16

約数和(自身を含む): 2291526000

約数和(自身を除く): 902630162

約数列:

[1, 2, 11, 22, 121, 242, 1331, 2662, 521749, 1043498, 5739239, 11478478, 63131629, 126263258, 694447919, 1388895838]

約数ペア:

[(1, 1388895838), (2, 694447919), (11, 126263258), (22, 63131629), (121, 11478478), (242, 5739239), (1331, 1043498), (2662, 521749)]