163422275

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{22619}}^1$

素因数の和:22663

約数の個数: 18

約数和(自身を含む): 215274540

約数和(自身を除く): 51852265

約数列:

[1, 5, 17, 25, 85, 289, 425, 1445, 7225, 22619, 113095, 384523, 565475, 1922615, 6536891, 9613075, 32684455, 163422275]

約数ペア:

[(1, 163422275), (5, 32684455), (17, 9613075), (25, 6536891), (85, 1922615), (289, 565475), (425, 384523), (1445, 113095), (7225, 22619)]