211919939

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3533}}^1$

素因数の和:3611

約数の個数: 32

約数和(自身を含む): 284981760

約数和(自身を除く): 73061821

約数列:

[1, 7, 11, 19, 41, 77, 133, 209, 287, 451, 779, 1463, 3157, 3533, 5453, 8569, 24731, 38863, 59983, 67127, 144853, 272041, 469889, 738397, 1013971, 1593383, 2752207, 5168779, 11153681, 19265449, 30274277, 211919939]

約数ペア:

[(1, 211919939), (7, 30274277), (11, 19265449), (19, 11153681), (41, 5168779), (77, 2752207), (133, 1593383), (209, 1013971), (287, 738397), (451, 469889), (779, 272041), (1463, 144853), (3157, 67127), (3533, 59983), (5453, 38863), (8569, 24731)]