861091

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:282

約数の個数: 16

約数和(自身を含む): 1099008

約数和(自身を除く): 237917

約数列:

[1, 7, 11, 53, 77, 211, 371, 583, 1477, 2321, 4081, 11183, 16247, 78281, 123013, 861091]

約数ペア:

[(1, 861091), (7, 123013), (11, 78281), (53, 16247), (77, 11183), (211, 4081), (371, 2321), (583, 1477)]