1621788

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 4435200

約数和(自身を除く): 2813412

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 258, 301, 449, 516, 602, 898, 903, 1204, 1347, 1796, 1806, 2694, 3143, 3612, 5388, 6286, 9429, 12572, 18858, 19307, 37716, 38614, 57921, 77228, 115842, 135149, 231684, 270298, 405447, 540596, 810894, 1621788]

約数ペア:

[(1, 1621788), (2, 810894), (3, 540596), (4, 405447), (6, 270298), (7, 231684), (12, 135149), (14, 115842), (21, 77228), (28, 57921), (42, 38614), (43, 37716), (84, 19307), (86, 18858), (129, 12572), (172, 9429), (258, 6286), (301, 5388), (449, 3612), (516, 3143), (602, 2694), (898, 1806), (903, 1796), (1204, 1347)]