80905559

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{6361}}^1$

素因数の和:6470

約数の個数: 16

約数和(自身を含む): 97720320

約数和(自身を除く): 16814761

約数列:

[1, 7, 23, 79, 161, 553, 1817, 6361, 12719, 44527, 146303, 502519, 1024121, 3517633, 11557937, 80905559]

約数ペア:

[(1, 80905559), (7, 11557937), (23, 3517633), (79, 1024121), (161, 502519), (553, 146303), (1817, 44527), (6361, 12719)]