25689957

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{7639}}^1$

素因数の和:7720

約数の個数: 16

約数和(自身を含む): 36672000

約数和(自身を除く): 10982043

約数列:

[1, 3, 19, 57, 59, 177, 1121, 3363, 7639, 22917, 145141, 435423, 450701, 1352103, 8563319, 25689957]

約数ペア:

[(1, 25689957), (3, 8563319), (19, 1352103), (57, 450701), (59, 435423), (177, 145141), (1121, 22917), (3363, 7639)]