12730655

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 18247680

約数和(自身を除く): 5517025

約数列:

[1, 5, 7, 35, 47, 71, 109, 235, 329, 355, 497, 545, 763, 1645, 2485, 3337, 3815, 5123, 7739, 16685, 23359, 25615, 35861, 38695, 54173, 116795, 179305, 270865, 363733, 1818665, 2546131, 12730655]

約数ペア:

[(1, 12730655), (5, 2546131), (7, 1818665), (35, 363733), (47, 270865), (71, 179305), (109, 116795), (235, 54173), (329, 38695), (355, 35861), (497, 25615), (545, 23359), (763, 16685), (1645, 7739), (2485, 5123), (3337, 3815)]