31520814

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{404113}}^1$

素因数の和:404131

約数の個数: 16

約数和(自身を含む): 67891152

約数和(自身を除く): 36370338

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 404113, 808226, 1212339, 2424678, 5253469, 10506938, 15760407, 31520814]

約数ペア:

[(1, 31520814), (2, 15760407), (3, 10506938), (6, 5253469), (13, 2424678), (26, 1212339), (39, 808226), (78, 404113)]