398892

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{2557}}^1$

素因数の和:2577

約数の個数: 24

約数和(自身を含む): 1002736

約数和(自身を除く): 603844

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 2557, 5114, 7671, 10228, 15342, 30684, 33241, 66482, 99723, 132964, 199446, 398892]

約数ペア:

[(1, 398892), (2, 199446), (3, 132964), (4, 99723), (6, 66482), (12, 33241), (13, 30684), (26, 15342), (39, 10228), (52, 7671), (78, 5114), (156, 2557)]