81225722

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{112501}}^1$

素因数の和:112541

約数の個数: 12

約数和(自身を含む): 128589786

約数和(自身を除く): 47364064

約数列:

[1, 2, 19, 38, 361, 722, 112501, 225002, 2137519, 4275038, 40612861, 81225722]

約数ペア:

[(1, 81225722), (2, 40612861), (19, 4275038), (38, 2137519), (361, 225002), (722, 112501)]