209542076

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{499}}^1\times {\mathrm{1721}}^1$

素因数の和:2285

約数の個数: 24

約数和(自身を含む): 373674000

約数和(自身を除く): 164131924

約数列:

[1, 2, 4, 61, 122, 244, 499, 998, 1721, 1996, 3442, 6884, 30439, 60878, 104981, 121756, 209962, 419924, 858779, 1717558, 3435116, 52385519, 104771038, 209542076]

約数ペア:

[(1, 209542076), (2, 104771038), (4, 52385519), (61, 3435116), (122, 1717558), (244, 858779), (499, 419924), (998, 209962), (1721, 121756), (1996, 104981), (3442, 60878), (6884, 30439)]