208291208

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{22859}}^1$

素因数の和:22949

約数の個数: 32

約数和(自身を含む): 419709600

約数和(自身を除く): 211418392

約数列:

[1, 2, 4, 8, 17, 34, 67, 68, 134, 136, 268, 536, 1139, 2278, 4556, 9112, 22859, 45718, 91436, 182872, 388603, 777206, 1531553, 1554412, 3063106, 3108824, 6126212, 12252424, 26036401, 52072802, 104145604, 208291208]

約数ペア:

[(1, 208291208), (2, 104145604), (4, 52072802), (8, 26036401), (17, 12252424), (34, 6126212), (67, 3108824), (68, 3063106), (134, 1554412), (136, 1531553), (268, 777206), (536, 388603), (1139, 182872), (2278, 91436), (4556, 45718), (9112, 22859)]