6998890

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{6421}}^1$

素因数の和:6537

約数の個数: 16

約数和(自身を含む): 12715560

約数和(自身を除く): 5716670

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 6421, 12842, 32105, 64210, 699889, 1399778, 3499445, 6998890]

約数ペア:

[(1, 6998890), (2, 3499445), (5, 1399778), (10, 699889), (109, 64210), (218, 32105), (545, 12842), (1090, 6421)]