664558336

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{199687}}^1$

素因数の和:199716

約数の個数: 36

約数和(自身を含む): 1428567952

約数和(自身を除く): 764009616

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 3328, 199687, 399374, 798748, 1597496, 2595931, 3194992, 5191862, 6389984, 10383724, 12779968, 20767448, 25559936, 41534896, 51119872, 83069792, 166139584, 332279168, 664558336]

約数ペア:

[(1, 664558336), (2, 332279168), (4, 166139584), (8, 83069792), (13, 51119872), (16, 41534896), (26, 25559936), (32, 20767448), (52, 12779968), (64, 10383724), (104, 6389984), (128, 5191862), (208, 3194992), (256, 2595931), (416, 1597496), (832, 798748), (1664, 399374), (3328, 199687)]