255996923

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{173}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 339909696

約数和(自身を除く): 83912773

約数列:

[1, 7, 13, 23, 49, 91, 101, 161, 173, 299, 637, 707, 1127, 1211, 1313, 2093, 2249, 2323, 3979, 4949, 8477, 9191, 14651, 15743, 16261, 17473, 27853, 30199, 51727, 64337, 110201, 113827, 122311, 194971, 211393, 227149, 362089, 401879, 856177, 1479751, 1590043, 2534623, 2813153, 5224427, 11130301, 19692071, 36570989, 255996923]

約数ペア:

[(1, 255996923), (7, 36570989), (13, 19692071), (23, 11130301), (49, 5224427), (91, 2813153), (101, 2534623), (161, 1590043), (173, 1479751), (299, 856177), (637, 401879), (707, 362089), (1127, 227149), (1211, 211393), (1313, 194971), (2093, 122311), (2249, 113827), (2323, 110201), (3979, 64337), (4949, 51727), (8477, 30199), (9191, 27853), (14651, 17473), (15743, 16261)]