218987139116

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{21061}}^1\times {\mathrm{18701}}^1$

素因数の和:39905

約数の個数: 24

約数和(自身を含む): 386023493520

約数和(自身を除く): 167036354404

約数列:

[1, 2, 4, 139, 278, 556, 18701, 21061, 37402, 42122, 74804, 84244, 2599439, 2927479, 5198878, 5854958, 10397756, 11709916, 393861761, 787723522, 1575447044, 54746784779, 109493569558, 218987139116]

約数ペア:

[(1, 218987139116), (2, 109493569558), (4, 54746784779), (139, 1575447044), (278, 787723522), (556, 393861761), (18701, 11709916), (21061, 10397756), (37402, 5854958), (42122, 5198878), (74804, 2927479), (84244, 2599439)]