639899761

素因数分解:

${\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1\times {\mathrm{941}}^1$

素因数の和:1280

約数の個数: 16

約数和(自身を含む): 671457600

約数和(自身を除く): 31557839

約数列:

[1, 29, 131, 179, 941, 3799, 5191, 23449, 27289, 123271, 168439, 680021, 3574859, 4884731, 22065509, 639899761]

約数ペア:

[(1, 639899761), (29, 22065509), (131, 4884731), (179, 3574859), (941, 680021), (3799, 168439), (5191, 123271), (23449, 27289)]