209971474

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1\times {\mathrm{4451}}^1$

素因数の和:4785

約数の個数: 16

約数和(自身を含む): 319475520

約数和(自身を除く): 109504046

約数列:

[1, 2, 103, 206, 229, 458, 4451, 8902, 23587, 47174, 458453, 916906, 1019279, 2038558, 104985737, 209971474]

約数ペア:

[(1, 209971474), (2, 104985737), (103, 2038558), (206, 1019279), (229, 916906), (458, 458453), (4451, 47174), (8902, 23587)]