128647572

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{249317}}^1$

素因数の和:249367

約数の個数: 24

約数和(自身を含む): 307159776

約数和(自身を除く): 178512204

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 249317, 498634, 747951, 997268, 1495902, 2991804, 10720631, 21441262, 32161893, 42882524, 64323786, 128647572]

約数ペア:

[(1, 128647572), (2, 64323786), (3, 42882524), (4, 32161893), (6, 21441262), (12, 10720631), (43, 2991804), (86, 1495902), (129, 997268), (172, 747951), (258, 498634), (516, 249317)]