28657175

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{359}}^1$

素因数の和:503

約数の個数: 24

約数和(自身を含む): 37140480

約数和(自身を除く): 8483305

約数列:

[1, 5, 25, 31, 103, 155, 359, 515, 775, 1795, 2575, 3193, 8975, 11129, 15965, 36977, 55645, 79825, 184885, 278225, 924425, 1146287, 5731435, 28657175]

約数ペア:

[(1, 28657175), (5, 5731435), (25, 1146287), (31, 924425), (103, 278225), (155, 184885), (359, 79825), (515, 55645), (775, 36977), (1795, 15965), (2575, 11129), (3193, 8975)]