28708463

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:359

約数の個数: 24

約数和(自身を含む): 35089200

約数和(自身を除く): 6380737

約数列:

[1, 7, 29, 49, 89, 203, 227, 623, 1421, 1589, 2581, 4361, 6583, 11123, 18067, 20203, 46081, 126469, 141421, 322567, 585887, 989947, 4101209, 28708463]

約数ペア:

[(1, 28708463), (7, 4101209), (29, 989947), (49, 585887), (89, 322567), (203, 141421), (227, 126469), (623, 46081), (1421, 20203), (1589, 18067), (2581, 11123), (4361, 6583)]