31886404

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{65881}}^1$

素因数の和:65907

約数の個数: 18

約数和(自身を含む): 61336142

約数和(自身を除く): 29449738

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 65881, 131762, 263524, 724691, 1449382, 2898764, 7971601, 15943202, 31886404]

約数ペア:

[(1, 31886404), (2, 15943202), (4, 7971601), (11, 2898764), (22, 1449382), (44, 724691), (121, 263524), (242, 131762), (484, 65881)]