71144210

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{18289}}^1$

素因数の和:18685

約数の個数: 16

約数和(自身を含む): 128395800

約数和(自身を除く): 57251590

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 18289, 36578, 91445, 182890, 7114421, 14228842, 35572105, 71144210]

約数ペア:

[(1, 71144210), (2, 35572105), (5, 14228842), (10, 7114421), (389, 182890), (778, 91445), (1945, 36578), (3890, 18289)]