208743479

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{2069}}^1$

素因数の和:2183

約数の個数: 24

約数和(自身を含む): 254858400

約数和(自身を除く): 46114921

約数列:

[1, 7, 29, 49, 71, 203, 497, 1421, 2059, 2069, 3479, 14413, 14483, 60001, 100891, 101381, 146899, 420007, 1028293, 2940049, 4260071, 7198051, 29820497, 208743479]

約数ペア:

[(1, 208743479), (7, 29820497), (29, 7198051), (49, 4260071), (71, 2940049), (203, 1028293), (497, 420007), (1421, 146899), (2059, 101381), (2069, 100891), (3479, 60001), (14413, 14483)]