86889985

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{27281}}^1$

素因数の和:27313

約数の個数: 24

約数和(自身を含む): 130626216

約数和(自身を除く): 43736231

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 27281, 136405, 190967, 354653, 954835, 1336769, 1773265, 2482571, 6683845, 12412855, 17377997, 86889985]

約数ペア:

[(1, 86889985), (5, 17377997), (7, 12412855), (13, 6683845), (35, 2482571), (49, 1773265), (65, 1336769), (91, 954835), (245, 354653), (455, 190967), (637, 136405), (3185, 27281)]