217290892

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{797}}^1$

素因数の和:935

約数の個数: 72

約数和(自身を含む): 481423824

約数和(自身を除く): 264132932

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 107, 182, 196, 214, 364, 428, 637, 749, 797, 1274, 1391, 1498, 1594, 2548, 2782, 2996, 3188, 5243, 5564, 5579, 9737, 10361, 10486, 11158, 19474, 20722, 20972, 22316, 38948, 39053, 41444, 68159, 72527, 78106, 85279, 136318, 145054, 156212, 170558, 272636, 290108, 341116, 507689, 596953, 1015378, 1108627, 1193906, 2030756, 2217254, 2387812, 4178671, 4434508, 7760389, 8357342, 15520778, 16714684, 31041556, 54322723, 108645446, 217290892]

約数ペア:

[(1, 217290892), (2, 108645446), (4, 54322723), (7, 31041556), (13, 16714684), (14, 15520778), (26, 8357342), (28, 7760389), (49, 4434508), (52, 4178671), (91, 2387812), (98, 2217254), (107, 2030756), (182, 1193906), (196, 1108627), (214, 1015378), (364, 596953), (428, 507689), (637, 341116), (749, 290108), (797, 272636), (1274, 170558), (1391, 156212), (1498, 145054), (1594, 136318), (2548, 85279), (2782, 78106), (2996, 72527), (3188, 68159), (5243, 41444), (5564, 39053), (5579, 38948), (9737, 22316), (10361, 20972), (10486, 20722), (11158, 19474)]