28409969

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{479}}^1$

素因数の和:752

約数の個数: 16

約数和(自身を含む): 33561600

約数和(自身を除く): 5151631

約数列:

[1, 7, 37, 229, 259, 479, 1603, 3353, 8473, 17723, 59311, 109691, 124061, 767837, 4058567, 28409969]

約数ペア:

[(1, 28409969), (7, 4058567), (37, 767837), (229, 124061), (259, 109691), (479, 59311), (1603, 17723), (3353, 8473)]