28293286

素因数分解:

$2^1\times 7^2\times {\mathrm{449}}^1\times {\mathrm{643}}^1$

素因数の和:1108

約数の個数: 24

約数和(自身を含む): 49555800

約数和(自身を除く): 21262514

約数列:

[1, 2, 7, 14, 49, 98, 449, 643, 898, 1286, 3143, 4501, 6286, 9002, 22001, 31507, 44002, 63014, 288707, 577414, 2020949, 4041898, 14146643, 28293286]

約数ペア:

[(1, 28293286), (2, 14146643), (7, 4041898), (14, 2020949), (49, 577414), (98, 288707), (449, 63014), (643, 44002), (898, 31507), (1286, 22001), (3143, 9002), (4501, 6286)]