208064801

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{42281}}^1$

素因数の和:42344

約数の個数: 16

約数和(自身を含む): 257074560

約数和(自身を除く): 49009759

約数列:

[1, 7, 19, 37, 133, 259, 703, 4921, 42281, 295967, 803339, 1564397, 5623373, 10950779, 29723543, 208064801]

約数ペア:

[(1, 208064801), (7, 29723543), (19, 10950779), (37, 5623373), (133, 1564397), (259, 803339), (703, 295967), (4921, 42281)]