205455844

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{42839}}^1$

素因数の和:42963

約数の個数: 24

約数和(自身を含む): 395841600

約数和(自身を除く): 190385756

約数列:

[1, 2, 4, 11, 22, 44, 109, 218, 436, 1199, 2398, 4796, 42839, 85678, 171356, 471229, 942458, 1884916, 4669451, 9338902, 18677804, 51363961, 102727922, 205455844]

約数ペア:

[(1, 205455844), (2, 102727922), (4, 51363961), (11, 18677804), (22, 9338902), (44, 4669451), (109, 1884916), (218, 942458), (436, 471229), (1199, 171356), (2398, 85678), (4796, 42839)]