89987275

素因数分解:

$5^2\times 7^2\times {\mathrm{73459}}^1$

素因数の和:73483

約数の個数: 18

約数和(自身を含む): 129803820

約数和(自身を除く): 39816545

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 73459, 367295, 514213, 1836475, 2571065, 3599491, 12855325, 17997455, 89987275]

約数ペア:

[(1, 89987275), (5, 17997455), (7, 12855325), (25, 3599491), (35, 2571065), (49, 1836475), (175, 514213), (245, 367295), (1225, 73459)]