1247816622

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{1621}}^1$

素因数の和:1849

約数の個数: 64

約数和(自身を含む): 2746759680

約数和(自身を除く): 1498943058

約数列:

[1, 2, 3, 6, 13, 26, 39, 71, 78, 139, 142, 213, 278, 417, 426, 834, 923, 1621, 1807, 1846, 2769, 3242, 3614, 4863, 5421, 5538, 9726, 9869, 10842, 19738, 21073, 29607, 42146, 59214, 63219, 115091, 126438, 128297, 225319, 230182, 256594, 345273, 384891, 450638, 675957, 690546, 769782, 1351914, 1496183, 2929147, 2992366, 4488549, 5858294, 8787441, 8977098, 15997649, 17574882, 31995298, 47992947, 95985894, 207969437, 415938874, 623908311, 1247816622]

約数ペア:

[(1, 1247816622), (2, 623908311), (3, 415938874), (6, 207969437), (13, 95985894), (26, 47992947), (39, 31995298), (71, 17574882), (78, 15997649), (139, 8977098), (142, 8787441), (213, 5858294), (278, 4488549), (417, 2992366), (426, 2929147), (834, 1496183), (923, 1351914), (1621, 769782), (1807, 690546), (1846, 675957), (2769, 450638), (3242, 384891), (3614, 345273), (4863, 256594), (5421, 230182), (5538, 225319), (9726, 128297), (9869, 126438), (10842, 115091), (19738, 63219), (21073, 59214), (29607, 42146)]