257329982

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{449}}^1$

素因数の和:585

約数の個数: 64

約数和(自身を含む): 493516800

約数和(自身を除く): 236186818

約数列:

[1, 2, 7, 13, 14, 26, 47, 67, 91, 94, 134, 182, 329, 449, 469, 611, 658, 871, 898, 938, 1222, 1742, 3143, 3149, 4277, 5837, 6097, 6286, 6298, 8554, 11674, 12194, 21103, 22043, 30083, 40859, 40937, 42206, 44086, 60166, 81718, 81874, 147721, 210581, 274339, 286559, 295442, 391079, 421162, 548678, 573118, 782158, 1413901, 1920373, 2737553, 2827802, 3840746, 5475106, 9897307, 18380713, 19794614, 36761426, 128664991, 257329982]

約数ペア:

[(1, 257329982), (2, 128664991), (7, 36761426), (13, 19794614), (14, 18380713), (26, 9897307), (47, 5475106), (67, 3840746), (91, 2827802), (94, 2737553), (134, 1920373), (182, 1413901), (329, 782158), (449, 573118), (469, 548678), (611, 421162), (658, 391079), (871, 295442), (898, 286559), (938, 274339), (1222, 210581), (1742, 147721), (3143, 81874), (3149, 81718), (4277, 60166), (5837, 44086), (6097, 42206), (6286, 40937), (6298, 40859), (8554, 30083), (11674, 22043), (12194, 21103)]