28921879

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{10567}}^1$

素因数の和:10614

約数の個数: 16

約数和(自身を含む): 36523008

約数和(自身を除く): 7601129

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 10567, 73969, 179639, 243041, 1257473, 1701287, 4131697, 28921879]

約数ペア:

[(1, 28921879), (7, 4131697), (17, 1701287), (23, 1257473), (119, 243041), (161, 179639), (391, 73969), (2737, 10567)]