1289189209

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{127807}}^1$

素因数の和:127956

約数の個数: 16

約数和(自身を含む): 1619582976

約数和(自身を除く): 330393767

約数列:

[1, 7, 11, 77, 131, 917, 1441, 10087, 127807, 894649, 1405877, 9841139, 16742717, 117199019, 184169887, 1289189209]

約数ペア:

[(1, 1289189209), (7, 184169887), (11, 117199019), (77, 16742717), (131, 9841139), (917, 1405877), (1441, 894649), (10087, 127807)]