205787197

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{563}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 265089024

約数和(自身を除く): 59301827

約数列:

[1, 7, 11, 47, 77, 101, 329, 517, 563, 707, 1111, 3619, 3941, 4747, 6193, 7777, 26461, 33229, 43351, 52217, 56863, 185227, 291071, 365519, 398041, 625493, 2037497, 2672561, 4378451, 18707927, 29398171, 205787197]

約数ペア:

[(1, 205787197), (7, 29398171), (11, 18707927), (47, 4378451), (77, 2672561), (101, 2037497), (329, 625493), (517, 398041), (563, 365519), (707, 291071), (1111, 185227), (3619, 56863), (3941, 52217), (4747, 43351), (6193, 33229), (7777, 26461)]