681228

素因数分解:

$2^2\times 3^2\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:286

約数の個数: 36

約数和(自身を含む): 1747200

約数和(自身を除く): 1065972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 127, 149, 254, 298, 381, 447, 508, 596, 762, 894, 1143, 1341, 1524, 1788, 2286, 2682, 4572, 5364, 18923, 37846, 56769, 75692, 113538, 170307, 227076, 340614, 681228]

約数ペア:

[(1, 681228), (2, 340614), (3, 227076), (4, 170307), (6, 113538), (9, 75692), (12, 56769), (18, 37846), (36, 18923), (127, 5364), (149, 4572), (254, 2682), (298, 2286), (381, 1788), (447, 1524), (508, 1341), (596, 1143), (762, 894)]