80304878

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{4139}}^1$

素因数の和:4339

約数の個数: 16

約数和(自身を含む): 122958000

約数和(自身を除く): 42653122

約数列:

[1, 2, 89, 109, 178, 218, 4139, 8278, 9701, 19402, 368371, 451151, 736742, 902302, 40152439, 80304878]

約数ペア:

[(1, 80304878), (2, 40152439), (89, 902302), (109, 736742), (178, 451151), (218, 368371), (4139, 19402), (8278, 9701)]