90998635

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{28571}}^1$

素因数の和:28603

約数の個数: 24

約数和(自身を含む): 136802736

約数和(自身を除く): 45804101

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 28571, 142855, 199997, 371423, 999985, 1399979, 1857115, 2599961, 6999895, 12999805, 18199727, 90998635]

約数ペア:

[(1, 90998635), (5, 18199727), (7, 12999805), (13, 6999895), (35, 2599961), (49, 1857115), (65, 1399979), (91, 999985), (245, 371423), (455, 199997), (637, 142855), (3185, 28571)]