2667511

素因数分解:

$7^4\times {\mathrm{11}}^1\times {\mathrm{101}}^1$

素因数の和:140

約数の個数: 20

約数和(自身を含む): 3428424

約数和(自身を除く): 760913

約数列:

[1, 7, 11, 49, 77, 101, 343, 539, 707, 1111, 2401, 3773, 4949, 7777, 26411, 34643, 54439, 242501, 381073, 2667511]

約数ペア:

[(1, 2667511), (7, 381073), (11, 242501), (49, 54439), (77, 34643), (101, 26411), (343, 7777), (539, 4949), (707, 3773), (1111, 2401)]