218744904579

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{1193}}^1\times {\mathrm{5483}}^1$

素因数の和:6907

約数の個数: 32

約数和(自身を含む): 297955459584

約数和(自身を除く): 79210555005

約数列:

[1, 3, 71, 157, 213, 471, 1193, 3579, 5483, 11147, 16449, 33441, 84703, 187301, 254109, 389293, 561903, 860831, 1167879, 2582493, 6541219, 13298371, 19623657, 39895113, 61119001, 183357003, 464426549, 1026971383, 1393279647, 3080914149, 72914968193, 218744904579]

約数ペア:

[(1, 218744904579), (3, 72914968193), (71, 3080914149), (157, 1393279647), (213, 1026971383), (471, 464426549), (1193, 183357003), (3579, 61119001), (5483, 39895113), (11147, 19623657), (16449, 13298371), (33441, 6541219), (84703, 2582493), (187301, 1167879), (254109, 860831), (389293, 561903)]