1209858991

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{38851}}^1$

素因数の和:39030

約数の個数: 16

約数和(自身を含む): 1398672000

約数和(自身を除く): 188813009

約数列:

[1, 11, 19, 149, 209, 1639, 2831, 31141, 38851, 427361, 738169, 5788799, 8119859, 63676789, 109987181, 1209858991]

約数ペア:

[(1, 1209858991), (11, 109987181), (19, 63676789), (149, 8119859), (209, 5788799), (1639, 738169), (2831, 427361), (31141, 38851)]