257589794

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{16561}}^1$

素因数の和:16682

約数の個数: 32

約数和(自身を含む): 486525312

約数和(自身を除く): 228935518

約数列:

[1, 2, 7, 11, 14, 22, 77, 101, 154, 202, 707, 1111, 1414, 2222, 7777, 15554, 16561, 33122, 115927, 182171, 231854, 364342, 1275197, 1672661, 2550394, 3345322, 11708627, 18399271, 23417254, 36798542, 128794897, 257589794]

約数ペア:

[(1, 257589794), (2, 128794897), (7, 36798542), (11, 23417254), (14, 18399271), (22, 11708627), (77, 3345322), (101, 2550394), (154, 1672661), (202, 1275197), (707, 364342), (1111, 231854), (1414, 182171), (2222, 115927), (7777, 33122), (15554, 16561)]