257536746

素因数分解:

$2^1\times 3^7\times {\mathrm{97}}^1\times {\mathrm{607}}^1$

素因数の和:727

約数の個数: 64

約数和(自身を含む): 586306560

約数和(自身を除く): 328769814

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 97, 162, 194, 243, 291, 486, 582, 607, 729, 873, 1214, 1458, 1746, 1821, 2187, 2619, 3642, 4374, 5238, 5463, 7857, 10926, 15714, 16389, 23571, 32778, 47142, 49167, 58879, 70713, 98334, 117758, 141426, 147501, 176637, 212139, 295002, 353274, 424278, 442503, 529911, 885006, 1059822, 1327509, 1589733, 2655018, 3179466, 4769199, 9538398, 14307597, 28615194, 42922791, 85845582, 128768373, 257536746]

約数ペア:

[(1, 257536746), (2, 128768373), (3, 85845582), (6, 42922791), (9, 28615194), (18, 14307597), (27, 9538398), (54, 4769199), (81, 3179466), (97, 2655018), (162, 1589733), (194, 1327509), (243, 1059822), (291, 885006), (486, 529911), (582, 442503), (607, 424278), (729, 353274), (873, 295002), (1214, 212139), (1458, 176637), (1746, 147501), (1821, 141426), (2187, 117758), (2619, 98334), (3642, 70713), (4374, 58879), (5238, 49167), (5463, 47142), (7857, 32778), (10926, 23571), (15714, 16389)]