81697278

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{2099}}^1$

素因数の和:2616

約数の個数: 32

約数和(自身を含む): 176400000

約数和(自身を除く): 94702722

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 499, 998, 1497, 2099, 2994, 4198, 6297, 6487, 12594, 12974, 19461, 27287, 38922, 54574, 81861, 163722, 1047401, 2094802, 3142203, 6284406, 13616213, 27232426, 40848639, 81697278]

約数ペア:

[(1, 81697278), (2, 40848639), (3, 27232426), (6, 13616213), (13, 6284406), (26, 3142203), (39, 2094802), (78, 1047401), (499, 163722), (998, 81861), (1497, 54574), (2099, 38922), (2994, 27287), (4198, 19461), (6297, 12974), (6487, 12594)]