28782397

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{571}}^1$

素因数の和:976

約数の個数: 16

約数和(自身を含む): 34777600

約数和(自身を除く): 5995203

約数列:

[1, 7, 19, 133, 379, 571, 2653, 3997, 7201, 10849, 50407, 75943, 216409, 1514863, 4111771, 28782397]

約数ペア:

[(1, 28782397), (7, 4111771), (19, 1514863), (133, 216409), (379, 75943), (571, 50407), (2653, 10849), (3997, 7201)]