205281208

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{4751}}^1$

素因数の和:5259

約数の個数: 32

約数和(自身を含む): 420837120

約数和(自身を除く): 215555912

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 491, 982, 1964, 3928, 4751, 5401, 9502, 10802, 19004, 21604, 38008, 43208, 52261, 104522, 209044, 418088, 2332741, 4665482, 9330964, 18661928, 25660151, 51320302, 102640604, 205281208]

約数ペア:

[(1, 205281208), (2, 102640604), (4, 51320302), (8, 25660151), (11, 18661928), (22, 9330964), (44, 4665482), (88, 2332741), (491, 418088), (982, 209044), (1964, 104522), (3928, 52261), (4751, 43208), (5401, 38008), (9502, 21604), (10802, 19004)]