251011838

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{2087}}^1$

素因数の和:2189

約数の個数: 48

約数和(自身を含む): 479872512

約数和(自身を除く): 228860674

約数列:

[1, 2, 7, 11, 14, 22, 71, 77, 121, 142, 154, 242, 497, 781, 847, 994, 1562, 1694, 2087, 4174, 5467, 8591, 10934, 14609, 17182, 22957, 29218, 45914, 60137, 120274, 148177, 160699, 252527, 296354, 321398, 505054, 1037239, 1629947, 1767689, 2074478, 3259894, 3535378, 11409629, 17929417, 22819258, 35858834, 125505919, 251011838]

約数ペア:

[(1, 251011838), (2, 125505919), (7, 35858834), (11, 22819258), (14, 17929417), (22, 11409629), (71, 3535378), (77, 3259894), (121, 2074478), (142, 1767689), (154, 1629947), (242, 1037239), (497, 505054), (781, 321398), (847, 296354), (994, 252527), (1562, 160699), (1694, 148177), (2087, 120274), (4174, 60137), (5467, 45914), (8591, 29218), (10934, 22957), (14609, 17182)]