12971642

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:278

約数の個数: 32

約数和(自身を含む): 21600000

約数和(自身を除く): 8628358

約数列:

[1, 2, 19, 29, 38, 58, 79, 149, 158, 298, 551, 1102, 1501, 2291, 2831, 3002, 4321, 4582, 5662, 8642, 11771, 23542, 43529, 82099, 87058, 164198, 223649, 341359, 447298, 682718, 6485821, 12971642]

約数ペア:

[(1, 12971642), (2, 6485821), (19, 682718), (29, 447298), (38, 341359), (58, 223649), (79, 164198), (149, 87058), (158, 82099), (298, 43529), (551, 23542), (1102, 11771), (1501, 8642), (2291, 5662), (2831, 4582), (3002, 4321)]