80642518

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{26371}}^1$

素因数の和:26523

約数の個数: 16

約数和(自身を含む): 132914880

約数和(自身を除く): 52272362

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 26371, 52742, 290081, 580162, 3665569, 7331138, 40321259, 80642518]

約数ペア:

[(1, 80642518), (2, 40321259), (11, 7331138), (22, 3665569), (139, 580162), (278, 290081), (1529, 52742), (3058, 26371)]