90121265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{6571}}^1$

素因数の和:6800

約数の個数: 16

約数和(自身を含む): 117034176

約数和(自身を除く): 26912911

約数列:

[1, 5, 13, 65, 211, 1055, 2743, 6571, 13715, 32855, 85423, 427115, 1386481, 6932405, 18024253, 90121265]

約数ペア:

[(1, 90121265), (5, 18024253), (13, 6932405), (65, 1386481), (211, 427115), (1055, 85423), (2743, 32855), (6571, 13715)]