31980164

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{1789}}^1$

素因数の和:1943

約数の個数: 24

約数和(自身を含む): 57888600

約数和(自身を除く): 25908436

約数列:

[1, 2, 4, 41, 82, 109, 164, 218, 436, 1789, 3578, 4469, 7156, 8938, 17876, 73349, 146698, 195001, 293396, 390002, 780004, 7995041, 15990082, 31980164]

約数ペア:

[(1, 31980164), (2, 15990082), (4, 7995041), (41, 780004), (82, 390002), (109, 293396), (164, 195001), (218, 146698), (436, 73349), (1789, 17876), (3578, 8938), (4469, 7156)]