1389804586

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{1123}}^1\times {\mathrm{19961}}^1$

素因数の和:21117

約数の個数: 16

約数和(自身を含む): 2153979648

約数和(自身を除く): 764175062

約数列:

[1, 2, 31, 62, 1123, 2246, 19961, 34813, 39922, 69626, 618791, 1237582, 22416203, 44832406, 694902293, 1389804586]

約数ペア:

[(1, 1389804586), (2, 694902293), (31, 44832406), (62, 22416203), (1123, 1237582), (2246, 618791), (19961, 69626), (34813, 39922)]