991064018

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1913251}}^1$

素因数の和:1913297

約数の個数: 16

約数和(自身を含む): 1744885824

約数和(自身を除く): 753821806

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 1913251, 3826502, 13392757, 26785514, 70790287, 141580574, 495532009, 991064018]

約数ペア:

[(1, 991064018), (2, 495532009), (7, 141580574), (14, 70790287), (37, 26785514), (74, 13392757), (259, 3826502), (518, 1913251)]