80591418

素因数分解:

$2^1\times 3^2\times {\mathrm{149}}^1\times {\mathrm{151}}^1\times {\mathrm{199}}^1$

素因数の和:507

約数の個数: 48

約数和(自身を含む): 177840000

約数和(自身を除く): 97248582

約数列:

[1, 2, 3, 6, 9, 18, 149, 151, 199, 298, 302, 398, 447, 453, 597, 894, 906, 1194, 1341, 1359, 1791, 2682, 2718, 3582, 22499, 29651, 30049, 44998, 59302, 60098, 67497, 88953, 90147, 134994, 177906, 180294, 202491, 266859, 270441, 404982, 533718, 540882, 4477301, 8954602, 13431903, 26863806, 40295709, 80591418]

約数ペア:

[(1, 80591418), (2, 40295709), (3, 26863806), (6, 13431903), (9, 8954602), (18, 4477301), (149, 540882), (151, 533718), (199, 404982), (298, 270441), (302, 266859), (398, 202491), (447, 180294), (453, 177906), (597, 134994), (894, 90147), (906, 88953), (1194, 67497), (1341, 60098), (1359, 59302), (1791, 44998), (2682, 30049), (2718, 29651), (3582, 22499)]