406696486

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{208991}}^1$

素因数の和:209139

約数の個数: 16

約数和(自身を含む): 702213120

約数和(自身を除く): 295516634

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 208991, 417982, 1462937, 2925874, 29049749, 58099498, 203348243, 406696486]

約数ペア:

[(1, 406696486), (2, 203348243), (7, 58099498), (14, 29049749), (139, 2925874), (278, 1462937), (973, 417982), (1946, 208991)]