81960838

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{433}}^1$

素因数の和:580

約数の個数: 32

約数和(自身を含む): 131991552

約数和(自身を除く): 50030714

約数列:

[1, 2, 31, 43, 62, 71, 86, 142, 433, 866, 1333, 2201, 2666, 3053, 4402, 6106, 13423, 18619, 26846, 30743, 37238, 61486, 94643, 189286, 577189, 953033, 1154378, 1321949, 1906066, 2643898, 40980419, 81960838]

約数ペア:

[(1, 81960838), (2, 40980419), (31, 2643898), (43, 1906066), (62, 1321949), (71, 1154378), (86, 953033), (142, 577189), (433, 189286), (866, 94643), (1333, 61486), (2201, 37238), (2666, 30743), (3053, 26846), (4402, 18619), (6106, 13423)]