28219394

素因数分解:

$2^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{1447}}^1$

素因数の和:1662

約数の個数: 24

約数和(自身を含む): 49521600

約数和(自身を除く): 21302206

約数列:

[1, 2, 7, 14, 49, 98, 199, 398, 1393, 1447, 2786, 2894, 9751, 10129, 19502, 20258, 70903, 141806, 287953, 575906, 2015671, 4031342, 14109697, 28219394]

約数ペア:

[(1, 28219394), (2, 14109697), (7, 4031342), (14, 2015671), (49, 575906), (98, 287953), (199, 141806), (398, 70903), (1393, 20258), (1447, 19502), (2786, 10129), (2894, 9751)]