389832877

素因数分解:

$7^3\times {\mathrm{29}}^1\times {\mathrm{39191}}^1$

素因数の和:39241

約数の個数: 16

約数和(自身を含む): 470304000

約数和(自身を除く): 80471123

約数列:

[1, 7, 29, 49, 203, 343, 1421, 9947, 39191, 274337, 1136539, 1920359, 7955773, 13442513, 55690411, 389832877]

約数ペア:

[(1, 389832877), (7, 55690411), (29, 13442513), (49, 7955773), (203, 1920359), (343, 1136539), (1421, 274337), (9947, 39191)]