1651450990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1117}}^1\times {\mathrm{21121}}^1$

素因数の和:22252

約数の個数: 32

約数和(自身を含む): 3400473024

約数和(自身を除く): 1749022034

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1117, 2234, 5585, 7819, 11170, 15638, 21121, 39095, 42242, 78190, 105605, 147847, 211210, 295694, 739235, 1478470, 23592157, 47184314, 117960785, 165145099, 235921570, 330290198, 825725495, 1651450990]

約数ペア:

[(1, 1651450990), (2, 825725495), (5, 330290198), (7, 235921570), (10, 165145099), (14, 117960785), (35, 47184314), (70, 23592157), (1117, 1478470), (2234, 739235), (5585, 295694), (7819, 211210), (11170, 147847), (15638, 105605), (21121, 78190), (39095, 42242)]