201131888

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{90437}}^1$

素因数の和:90584

約数の個数: 20

約数和(自身を含む): 392500920

約数和(自身を除く): 191369032

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 90437, 180874, 361748, 723496, 1446992, 12570743, 25141486, 50282972, 100565944, 201131888]

約数ペア:

[(1, 201131888), (2, 100565944), (4, 50282972), (8, 25141486), (16, 12570743), (139, 1446992), (278, 723496), (556, 361748), (1112, 180874), (2224, 90437)]