256220149

素因数分解:

${\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{311}}^1\times {\mathrm{331}}^1$

素因数の和:792

約数の個数: 16

約数和(自身を含む): 273461760

約数和(自身を除く): 17241611

約数列:

[1, 19, 131, 311, 331, 2489, 5909, 6289, 40741, 43361, 102941, 774079, 823859, 1955879, 13485271, 256220149]

約数ペア:

[(1, 256220149), (19, 13485271), (131, 1955879), (311, 823859), (331, 774079), (2489, 102941), (5909, 43361), (6289, 40741)]