28107457

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{2309}}^1$

素因数の和:2400

約数の個数: 16

約数和(自身を含む): 33707520

約数和(自身を除く): 5600063

約数列:

[1, 7, 37, 47, 259, 329, 1739, 2309, 12173, 16163, 85433, 108523, 598031, 759661, 4015351, 28107457]

約数ペア:

[(1, 28107457), (7, 4015351), (37, 759661), (47, 598031), (259, 108523), (329, 85433), (1739, 16163), (2309, 12173)]