31139224

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{691}}^1$

素因数の和:871

約数の個数: 32

約数和(自身を含む): 60287040

約数和(自身を除く): 29147816

約数列:

[1, 2, 4, 8, 43, 86, 131, 172, 262, 344, 524, 691, 1048, 1382, 2764, 5528, 5633, 11266, 22532, 29713, 45064, 59426, 90521, 118852, 181042, 237704, 362084, 724168, 3892403, 7784806, 15569612, 31139224]

約数ペア:

[(1, 31139224), (2, 15569612), (4, 7784806), (8, 3892403), (43, 724168), (86, 362084), (131, 237704), (172, 181042), (262, 118852), (344, 90521), (524, 59426), (691, 45064), (1048, 29713), (1382, 22532), (2764, 11266), (5528, 5633)]