123866491

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{25171}}^1$

素因数の和:25234

約数の個数: 16

約数和(自身を含む): 153045760

約数和(自身を除く): 29179269

約数列:

[1, 7, 19, 37, 133, 259, 703, 4921, 25171, 176197, 478249, 931327, 3347743, 6519289, 17695213, 123866491]

約数ペア:

[(1, 123866491), (7, 17695213), (19, 6519289), (37, 3347743), (133, 931327), (259, 478249), (703, 176197), (4921, 25171)]