1256278569

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{479}}^1\times {\mathrm{739}}^1$

素因数の和:1254

約数の個数: 48

約数和(自身を含む): 2080051200

約数和(自身を除く): 823772631

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 479, 507, 739, 1183, 1437, 2217, 3353, 3549, 5173, 6227, 9607, 10059, 15519, 18681, 28821, 43589, 67249, 80951, 124891, 130767, 201747, 242853, 353981, 374673, 566657, 874237, 1061943, 1699971, 2477867, 2622711, 4601753, 7433601, 13805259, 32212271, 59822789, 96636813, 179468367, 418759523, 1256278569]

約数ペア:

[(1, 1256278569), (3, 418759523), (7, 179468367), (13, 96636813), (21, 59822789), (39, 32212271), (91, 13805259), (169, 7433601), (273, 4601753), (479, 2622711), (507, 2477867), (739, 1699971), (1183, 1061943), (1437, 874237), (2217, 566657), (3353, 374673), (3549, 353981), (5173, 242853), (6227, 201747), (9607, 130767), (10059, 124891), (15519, 80951), (18681, 67249), (28821, 43589)]