255977386

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:419

約数の個数: 64

約数和(自身を含む): 479416320

約数和(自身を除く): 223438934

約数列:

[1, 2, 7, 14, 19, 38, 53, 67, 106, 133, 134, 266, 271, 371, 469, 542, 742, 938, 1007, 1273, 1897, 2014, 2546, 3551, 3794, 5149, 7049, 7102, 8911, 10298, 14098, 14363, 17822, 18157, 24857, 28726, 36043, 36314, 49714, 67469, 72086, 100541, 127099, 134938, 201082, 254198, 272897, 344983, 472283, 545794, 689966, 944566, 962321, 1910279, 1924642, 2414881, 3820558, 4829762, 6736247, 13472494, 18284099, 36568198, 127988693, 255977386]

約数ペア:

[(1, 255977386), (2, 127988693), (7, 36568198), (14, 18284099), (19, 13472494), (38, 6736247), (53, 4829762), (67, 3820558), (106, 2414881), (133, 1924642), (134, 1910279), (266, 962321), (271, 944566), (371, 689966), (469, 545794), (542, 472283), (742, 344983), (938, 272897), (1007, 254198), (1273, 201082), (1897, 134938), (2014, 127099), (2546, 100541), (3551, 72086), (3794, 67469), (5149, 49714), (7049, 36314), (7102, 36043), (8911, 28726), (10298, 24857), (14098, 18157), (14363, 17822)]