28870331

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{571}}^1$

素因数の和:842

約数の個数: 16

約数和(自身を含む): 34265088

約数和(自身を除く): 5394757

約数列:

[1, 7, 31, 217, 233, 571, 1631, 3997, 7223, 17701, 50561, 123907, 133043, 931301, 4124333, 28870331]

約数ペア:

[(1, 28870331), (7, 4124333), (31, 931301), (217, 133043), (233, 123907), (571, 50561), (1631, 17701), (3997, 7223)]