201991818

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{6421}}^1$

素因数の和:6547

約数の個数: 48

約数和(自身を含む): 474405984

約数和(自身を除く): 272414166

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 107, 147, 214, 294, 321, 642, 749, 1498, 2247, 4494, 5243, 6421, 10486, 12842, 15729, 19263, 31458, 38526, 44947, 89894, 134841, 269682, 314629, 629258, 687047, 943887, 1374094, 1887774, 2061141, 4122282, 4809329, 9618658, 14427987, 28855974, 33665303, 67330606, 100995909, 201991818]

約数ペア:

[(1, 201991818), (2, 100995909), (3, 67330606), (6, 33665303), (7, 28855974), (14, 14427987), (21, 9618658), (42, 4809329), (49, 4122282), (98, 2061141), (107, 1887774), (147, 1374094), (214, 943887), (294, 687047), (321, 629258), (642, 314629), (749, 269682), (1498, 134841), (2247, 89894), (4494, 44947), (5243, 38526), (6421, 31458), (10486, 19263), (12842, 15729)]