1389788644

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{8474321}}^1$

素因数の和:8474366

約数の個数: 12

約数和(自身を含む): 2491450668

約数和(自身を除く): 1101662024

約数列:

[1, 2, 4, 41, 82, 164, 8474321, 16948642, 33897284, 347447161, 694894322, 1389788644]

約数ペア:

[(1, 1389788644), (2, 694894322), (4, 347447161), (41, 33897284), (82, 16948642), (164, 8474321)]