252557305

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{50461}}^1$

素因数の和:50497

約数の個数: 32

約数和(自身を含む): 406925568

約数和(自身を除く): 154368263

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 5005, 50461, 252305, 353227, 555071, 655993, 1766135, 2775355, 3279965, 3885497, 4591951, 7215923, 19427485, 22959755, 36079615, 50511461, 252557305]

約数ペア:

[(1, 252557305), (5, 50511461), (7, 36079615), (11, 22959755), (13, 19427485), (35, 7215923), (55, 4591951), (65, 3885497), (77, 3279965), (91, 2775355), (143, 1766135), (385, 655993), (455, 555071), (715, 353227), (1001, 252305), (5005, 50461)]