66260272

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{318559}}^1$

素因数の和:318580

約数の個数: 20

約数和(自身を含む): 138255040

約数和(自身を除く): 71994768

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 318559, 637118, 1274236, 2548472, 4141267, 5096944, 8282534, 16565068, 33130136, 66260272]

約数ペア:

[(1, 66260272), (2, 33130136), (4, 16565068), (8, 8282534), (13, 5096944), (16, 4141267), (26, 2548472), (52, 1274236), (104, 637118), (208, 318559)]