129955208

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{56209}}^1$

素因数の和:56249

約数の個数: 24

約数和(自身を含む): 258847050

約数和(自身を除く): 128891842

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 1156, 2312, 56209, 112418, 224836, 449672, 955553, 1911106, 3822212, 7644424, 16244401, 32488802, 64977604, 129955208]

約数ペア:

[(1, 129955208), (2, 64977604), (4, 32488802), (8, 16244401), (17, 7644424), (34, 3822212), (68, 1911106), (136, 955553), (289, 449672), (578, 224836), (1156, 112418), (2312, 56209)]