208939542

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{2447}}^1$

素因数の和:2585

約数の個数: 64

約数和(自身を含む): 507617280

約数和(自身を除く): 298677738

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 107, 114, 133, 214, 266, 321, 399, 642, 749, 798, 1498, 2033, 2247, 2447, 4066, 4494, 4894, 6099, 7341, 12198, 14231, 14682, 17129, 28462, 34258, 42693, 46493, 51387, 85386, 92986, 102774, 139479, 261829, 278958, 325451, 523658, 650902, 785487, 976353, 1570974, 1832803, 1952706, 3665606, 4974751, 5498409, 9949502, 10996818, 14924253, 29848506, 34823257, 69646514, 104469771, 208939542]

約数ペア:

[(1, 208939542), (2, 104469771), (3, 69646514), (6, 34823257), (7, 29848506), (14, 14924253), (19, 10996818), (21, 9949502), (38, 5498409), (42, 4974751), (57, 3665606), (107, 1952706), (114, 1832803), (133, 1570974), (214, 976353), (266, 785487), (321, 650902), (399, 523658), (642, 325451), (749, 278958), (798, 261829), (1498, 139479), (2033, 102774), (2247, 92986), (2447, 85386), (4066, 51387), (4494, 46493), (4894, 42693), (6099, 34258), (7341, 28462), (12198, 17129), (14231, 14682)]