1680493654

素因数分解:

$2^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{244471}}^1$

素因数の和:244971

約数の個数: 16

約数和(自身を含む): 2886725376

約数和(自身を除く): 1206231722

約数列:

[1, 2, 7, 14, 491, 982, 3437, 6874, 244471, 488942, 1711297, 3422594, 120035261, 240070522, 840246827, 1680493654]

約数ペア:

[(1, 1680493654), (2, 840246827), (7, 240070522), (14, 120035261), (491, 3422594), (982, 1711297), (3437, 488942), (6874, 244471)]