17978690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{6221}}^1$

素因数の和:6262

約数の個数: 24

約数和(自身を含む): 34382772

約数和(自身を除く): 16404082

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 6221, 12442, 31105, 62210, 105757, 211514, 528785, 1057570, 1797869, 3595738, 8989345, 17978690]

約数ペア:

[(1, 17978690), (2, 8989345), (5, 3595738), (10, 1797869), (17, 1057570), (34, 528785), (85, 211514), (170, 105757), (289, 62210), (578, 31105), (1445, 12442), (2890, 6221)]