28000357

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19139}}^1$

素因数の和:19176

約数の個数: 16

約数和(自身を含む): 36748800

約数和(自身を除く): 8748443

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 19139, 133973, 210529, 363641, 1473703, 2545487, 4000051, 28000357]

約数ペア:

[(1, 28000357), (7, 4000051), (11, 2545487), (19, 1473703), (77, 363641), (133, 210529), (209, 133973), (1463, 19139)]