12728222

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:284

約数の個数: 32

約数和(自身を含む): 21488544

約数和(自身を除く): 8760322

約数列:

[1, 2, 13, 26, 37, 74, 101, 131, 202, 262, 481, 962, 1313, 1703, 2626, 3406, 3737, 4847, 7474, 9694, 13231, 26462, 48581, 63011, 97162, 126022, 172003, 344006, 489547, 979094, 6364111, 12728222]

約数ペア:

[(1, 12728222), (2, 6364111), (13, 979094), (26, 489547), (37, 344006), (74, 172003), (101, 126022), (131, 97162), (202, 63011), (262, 48581), (481, 26462), (962, 13231), (1313, 9694), (1703, 7474), (2626, 4847), (3406, 3737)]