51259276

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{421}}^1\times {\mathrm{499}}^1$

素因数の和:985

約数の個数: 24

約数和(自身を含む): 91574000

約数和(自身を除く): 40314724

約数列:

[1, 2, 4, 61, 122, 244, 421, 499, 842, 998, 1684, 1996, 25681, 30439, 51362, 60878, 102724, 121756, 210079, 420158, 840316, 12814819, 25629638, 51259276]

約数ペア:

[(1, 51259276), (2, 25629638), (4, 12814819), (61, 840316), (122, 420158), (244, 210079), (421, 121756), (499, 102724), (842, 60878), (998, 51362), (1684, 30439), (1996, 25681)]