25690516

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{499}}^1$

素因数の和:775

約数の個数: 24

約数和(自身を含む): 46004000

約数和(自身を除く): 20313484

約数列:

[1, 2, 4, 61, 122, 211, 244, 422, 499, 844, 998, 1996, 12871, 25742, 30439, 51484, 60878, 105289, 121756, 210578, 421156, 6422629, 12845258, 25690516]

約数ペア:

[(1, 25690516), (2, 12845258), (4, 6422629), (61, 421156), (122, 210578), (211, 121756), (244, 105289), (422, 60878), (499, 51484), (844, 30439), (998, 25742), (1996, 12871)]