31897744

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{653}}^1$

素因数の和:775

約数の個数: 40

約数和(自身を含む): 64228032

約数和(自身を除く): 32330288

約数列:

[1, 2, 4, 8, 16, 43, 71, 86, 142, 172, 284, 344, 568, 653, 688, 1136, 1306, 2612, 3053, 5224, 6106, 10448, 12212, 24424, 28079, 46363, 48848, 56158, 92726, 112316, 185452, 224632, 370904, 449264, 741808, 1993609, 3987218, 7974436, 15948872, 31897744]

約数ペア:

[(1, 31897744), (2, 15948872), (4, 7974436), (8, 3987218), (16, 1993609), (43, 741808), (71, 449264), (86, 370904), (142, 224632), (172, 185452), (284, 112316), (344, 92726), (568, 56158), (653, 48848), (688, 46363), (1136, 28079), (1306, 24424), (2612, 12212), (3053, 10448), (5224, 6106)]