664706

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{601}}^1$

素因数の和:689

約数の個数: 16

約数和(自身を含む): 1155840

約数和(自身を除く): 491134

約数列:

[1, 2, 7, 14, 79, 158, 553, 601, 1106, 1202, 4207, 8414, 47479, 94958, 332353, 664706]

約数ペア:

[(1, 664706), (2, 332353), (7, 94958), (14, 47479), (79, 8414), (158, 4207), (553, 1202), (601, 1106)]