489978

素因数分解:

$2^1\times 3^2\times {\mathrm{163}}^1\times {\mathrm{167}}^1$

素因数の和:338

約数の個数: 24

約数和(自身を含む): 1074528

約数和(自身を除く): 584550

約数列:

[1, 2, 3, 6, 9, 18, 163, 167, 326, 334, 489, 501, 978, 1002, 1467, 1503, 2934, 3006, 27221, 54442, 81663, 163326, 244989, 489978]

約数ペア:

[(1, 489978), (2, 244989), (3, 163326), (6, 81663), (9, 54442), (18, 27221), (163, 3006), (167, 2934), (326, 1503), (334, 1467), (489, 1002), (501, 978)]