217984908

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{490957}}^1$

素因数の和:491001

約数の個数: 24

約数和(自身を含む): 522379312

約数和(自身を除く): 304394404

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 222, 444, 490957, 981914, 1472871, 1963828, 2945742, 5891484, 18165409, 36330818, 54496227, 72661636, 108992454, 217984908]

約数ペア:

[(1, 217984908), (2, 108992454), (3, 72661636), (4, 54496227), (6, 36330818), (12, 18165409), (37, 5891484), (74, 2945742), (111, 1963828), (148, 1472871), (222, 981914), (444, 490957)]