31386355

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6271}}^1$

素因数の和:6307

約数の個数: 32

約数和(自身を含む): 50577408

約数和(自身を除く): 19191053

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 5005, 6271, 31355, 43897, 68981, 81523, 219485, 344905, 407615, 482867, 570661, 896753, 2414335, 2853305, 4483765, 6277271, 31386355]

約数ペア:

[(1, 31386355), (5, 6277271), (7, 4483765), (11, 2853305), (13, 2414335), (35, 896753), (55, 570661), (65, 482867), (77, 407615), (91, 344905), (143, 219485), (385, 81523), (455, 68981), (715, 43897), (1001, 31355), (5005, 6271)]