28742567

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:335

約数の個数: 24

約数和(自身を含む): 35089200

約数和(自身を除く): 6346633

約数列:

[1, 7, 29, 49, 113, 179, 203, 791, 1253, 1421, 3277, 5191, 5537, 8771, 20227, 22939, 36337, 141589, 160573, 254359, 586583, 991123, 4106081, 28742567]

約数ペア:

[(1, 28742567), (7, 4106081), (29, 991123), (49, 586583), (113, 254359), (179, 160573), (203, 141589), (791, 36337), (1253, 22939), (1421, 20227), (3277, 8771), (5191, 5537)]