78181628

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{90071}}^1$

素因数の和:90113

約数の個数: 24

約数和(自身を含む): 161409024

約数和(自身を除く): 83227396

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 90071, 180142, 360284, 630497, 1260994, 2521988, 2792201, 5584402, 11168804, 19545407, 39090814, 78181628]

約数ペア:

[(1, 78181628), (2, 39090814), (4, 19545407), (7, 11168804), (14, 5584402), (28, 2792201), (31, 2521988), (62, 1260994), (124, 630497), (217, 360284), (434, 180142), (868, 90071)]